diff --git a/src/agenda_culturel/forms.py b/src/agenda_culturel/forms.py
index 6bb1249..d26aba3 100644
--- a/src/agenda_culturel/forms.py
+++ b/src/agenda_culturel/forms.py
@@ -1,8 +1,8 @@
-from django.forms import ModelForm, ValidationError, TextInput, Form, URLField, MultipleHiddenInput, Textarea, CharField, ChoiceField, RadioSelect, MultipleChoiceField, BooleanField, HiddenInput
+from django.forms import ModelForm, ValidationError, TextInput, Form, URLField, MultipleHiddenInput, Textarea, CharField, ChoiceField, RadioSelect, MultipleChoiceField, BooleanField, HiddenInput, ModelChoiceField
 from datetime import date
 from django_better_admin_arrayfield.forms.widgets import DynamicArrayWidget
 
-from .models import Event, BatchImportation, RecurrentImport, CategorisationRule, ModerationAnswer, ModerationQuestion
+from .models import Event, BatchImportation, RecurrentImport, CategorisationRule, ModerationAnswer, ModerationQuestion, Place
 from django.utils.translation import gettext_lazy as _
 from string import ascii_uppercase as auc
 from .templatetags.utils_extra import int_to_abc
@@ -283,8 +283,6 @@ class CategorisationForm(Form):
                 if '_' not in f:
                     if f + '_cat' in args[0]:
                         events.append((Event.objects.get(pk=int(f)), args[0][f + '_cat']))
-
-            # TODO
         super().__init__(*args, **kwargs)
 
         for e, c in events:
@@ -294,3 +292,48 @@ class CategorisationForm(Form):
     def get_validated(self):
         return [(e, self.cleaned_data.get(e + '_cat')) for e in self.fields if '_' not in e and self.cleaned_data.get(e)]
 
+
+class EventAddPlaceForm(Form):
+
+    place = ModelChoiceField(label=_("Place"), queryset=Place.objects.all(), empty_label=_("Create a missing place"), required=False)
+    add_alias = BooleanField(initial=True, required=False)
+
+    def __init__(self, *args, **kwargs):
+        self.instance = kwargs.pop('instance', False)
+        super().__init__(*args, **kwargs)
+        if self.instance.location:
+            self.fields["add_alias"].label = _("Add \"{}\" to the aliases of the place").format(self.instance.location)
+        else:
+            self.fields.pop("add_alias")
+
+    def modified_event(self):
+        return self.cleaned_data.get('place')
+
+    def save(self):
+        if self.cleaned_data.get("place"):
+            place = self.cleaned_data.get("place")
+            self.instance.exact_location = place
+            self.instance.save()
+            if self.cleaned_data.get('add_alias'):
+                place.aliases.append(self.instance.location)
+                place.save()
+        
+        return self.instance
+
+class PlaceForm(ModelForm):
+    apply_to_all = BooleanField(initial=True, label=_('On saving, use aliases to detect all matching events with missing place'), required=False)
+
+    class Meta:
+        model = Place
+        fields = '__all__'
+        widgets = {
+            'location': TextInput()
+        }
+    
+    def as_grid(self):
+        return mark_safe('<div class="grid"><div>' + super().as_p() + '</div><div><div class="map-widget">' +
+            '<div id="map_location" style="width: 100%; aspect-ratio: 16/9"></div></div></div></div>')
+
+
+    def apply(self):
+        return self.cleaned_data.get("apply_to_all") 
diff --git a/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po b/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
index 785f14b..f2eaabf 100644
--- a/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
+++ b/src/agenda_culturel/locale/fr/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: agenda_culturel\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-04-26 14:59+0000\n"
+"POT-Creation-Date: 2024-04-27 16:25+0000\n"
 "PO-Revision-Date: 2023-10-29 14:16+0000\n"
 "Last-Translator: Jean-Marie Favreau <jeanmarie.favreau@free.fr>\n"
 "Language-Team: Jean-Marie Favreau <jeanmarie.favreau@free.fr>\n"
@@ -29,19 +29,35 @@ msgstr "L'heure de fin ne peut pas être avant l'heure de début."
 msgid "JSON in the format expected for the import."
 msgstr "JSON dans le format attendu pour l'import"
 
-#: agenda_culturel/forms.py:291
-#, fuzzy
-#| msgid "Category of the event"
+#: agenda_culturel/forms.py:289
 msgid "Apply category {} to the event {}"
-msgstr "Catégorie de l'événement"
+msgstr "Appliquer la catégorie {} à l'événement {}"
+
+#: agenda_culturel/forms.py:298 agenda_culturel/models.py:170
+msgid "Place"
+msgstr "Lieu"
+
+#: agenda_culturel/forms.py:298
+msgid "Create a missing place"
+msgstr "Créer un lieu manquant"
+
+#: agenda_culturel/forms.py:305
+msgid "Add \"{}\" to the aliases of the place"
+msgstr "Ajouter « {} » aux alias du lieu"
+
+#: agenda_culturel/forms.py:324
+msgid "On saving, use aliases to detect all matching events with missing place"
+msgstr ""
+"Lors de l'enregistrement, utiliser des alias pour détecter tous les "
+"événements correspondants dont la place est manquante."
 
 #: agenda_culturel/import_tasks/generic_extractors.py:151
 msgid "Cannot extract event from url {}"
 msgstr "Impossible d'extraire l'événement depuis l'url {}"
 
 #: agenda_culturel/models.py:39 agenda_culturel/models.py:68
-#: agenda_culturel/models.py:162 agenda_culturel/models.py:753
-#: agenda_culturel/models.py:792
+#: agenda_culturel/models.py:162 agenda_culturel/models.py:770
+#: agenda_culturel/models.py:809
 msgid "Name"
 msgstr "Nom"
 
@@ -89,8 +105,8 @@ msgstr "Couleur"
 msgid "Color used as background for the category"
 msgstr "Couleur utilisée comme fond de la catégorie"
 
-#: agenda_culturel/models.py:115 agenda_culturel/models.py:195
-#: agenda_culturel/models.py:804 agenda_culturel/models.py:855
+#: agenda_culturel/models.py:115 agenda_culturel/models.py:205
+#: agenda_culturel/models.py:821 agenda_culturel/models.py:872
 msgid "Category"
 msgstr "Catégorie"
 
@@ -107,14 +123,22 @@ msgid "Address"
 msgstr "Adresse"
 
 #: agenda_culturel/models.py:163
-msgid "Address of this place"
-msgstr "Adresse de ce lieu"
+msgid "Address of this place (without city name)"
+msgstr "Adresse de ce lieu (sans le nom de la ville)"
 
-#: agenda_culturel/models.py:166
+#: agenda_culturel/models.py:164
+msgid "City"
+msgstr "Ville"
+
+#: agenda_culturel/models.py:164
+msgid "City name"
+msgstr "Nom de la ville"
+
+#: agenda_culturel/models.py:167
 msgid "Alternative names"
 msgstr "Noms alternatifs"
 
-#: agenda_culturel/models.py:166
+#: agenda_culturel/models.py:167
 msgid ""
 "Alternative names or addresses used to match a place with the free-form "
 "location of an event."
@@ -122,81 +146,77 @@ msgstr ""
 "Noms et adresses alternatives qui seront utilisées pour associer une adresse "
 "avec la localisation en forme libre d'un événement"
 
-#: agenda_culturel/models.py:169
-msgid "Place"
-msgstr "Lieu"
-
-#: agenda_culturel/models.py:170
+#: agenda_culturel/models.py:171
 msgid "Places"
 msgstr "Lieux"
 
-#: agenda_culturel/models.py:179 agenda_culturel/models.py:802
+#: agenda_culturel/models.py:189 agenda_culturel/models.py:819
 msgid "Published"
 msgstr "Publié"
 
-#: agenda_culturel/models.py:180
+#: agenda_culturel/models.py:190
 msgid "Draft"
 msgstr "Brouillon"
 
-#: agenda_culturel/models.py:181
+#: agenda_culturel/models.py:191
 msgid "Trash"
 msgstr "Corbeille"
 
-#: agenda_culturel/models.py:191
+#: agenda_culturel/models.py:201
 msgid "Title"
 msgstr "Titre"
 
-#: agenda_culturel/models.py:191
+#: agenda_culturel/models.py:201
 msgid "Short title"
 msgstr "Titre court"
 
-#: agenda_culturel/models.py:193 agenda_culturel/models.py:839
+#: agenda_culturel/models.py:203 agenda_culturel/models.py:856
 msgid "Status"
 msgstr "Status"
 
-#: agenda_culturel/models.py:195
+#: agenda_culturel/models.py:205
 msgid "Category of the event"
 msgstr "Catégorie de l'événement"
 
-#: agenda_culturel/models.py:197
+#: agenda_culturel/models.py:207
 msgid "Day of the event"
 msgstr "Date de l'événement"
 
-#: agenda_culturel/models.py:198
+#: agenda_culturel/models.py:208
 msgid "Starting time"
 msgstr "Heure de début"
 
-#: agenda_culturel/models.py:200
+#: agenda_culturel/models.py:210
 msgid "End day of the event"
 msgstr "Fin de l'événement"
 
-#: agenda_culturel/models.py:200
+#: agenda_culturel/models.py:210
 msgid "End day of the event, only required if different from the start day."
 msgstr ""
 "Date de fin de l'événement, uniquement nécessaire s'il est différent du "
 "premier jour de l'événement"
 
-#: agenda_culturel/models.py:201
+#: agenda_culturel/models.py:211
 msgid "Final time"
 msgstr "Heure de fin"
 
-#: agenda_culturel/models.py:203
+#: agenda_culturel/models.py:213
 msgid "Recurrence"
 msgstr "Récurrence"
 
-#: agenda_culturel/models.py:205 agenda_culturel/models.py:803
+#: agenda_culturel/models.py:215 agenda_culturel/models.py:820
 msgid "Location"
 msgstr "Localisation"
 
-#: agenda_culturel/models.py:205
+#: agenda_culturel/models.py:215
 msgid "Address of the event"
 msgstr "Adresse de l'événement"
 
-#: agenda_culturel/models.py:206
+#: agenda_culturel/models.py:216
 msgid "Location (free form)"
 msgstr "Localisation (forme libre)"
 
-#: agenda_culturel/models.py:206
+#: agenda_culturel/models.py:216
 msgid ""
 "Address of the event in case its not available in the already known places "
 "(free form)"
@@ -204,189 +224,187 @@ msgstr ""
 "Addresse d'un événement si elle n'est pas déjà présente dans la liste des "
 "lieux disponible (forme libre)"
 
-#: agenda_culturel/models.py:208
+#: agenda_culturel/models.py:218
 msgid "Description"
 msgstr "Description"
 
-#: agenda_culturel/models.py:208
+#: agenda_culturel/models.py:218
 msgid "General description of the event"
 msgstr "Description générale de l'événement"
 
-#: agenda_culturel/models.py:210
+#: agenda_culturel/models.py:220
 msgid "Illustration (local image)"
 msgstr "Illustration (image locale)"
 
-#: agenda_culturel/models.py:210
+#: agenda_culturel/models.py:220
 msgid "Illustration image stored in the agenda server"
 msgstr "Image d'illustration stockée sur le serveur de l'agenda"
 
-#: agenda_culturel/models.py:212
+#: agenda_culturel/models.py:222
 msgid "Illustration"
 msgstr "Illustration"
 
-#: agenda_culturel/models.py:212
+#: agenda_culturel/models.py:222
 msgid "URL of the illustration image"
 msgstr "URL de l'image illustrative"
 
-#: agenda_culturel/models.py:213
+#: agenda_culturel/models.py:223
 msgid "Illustration description"
 msgstr "Description de l'illustration"
 
-#: agenda_culturel/models.py:213
+#: agenda_culturel/models.py:223
 msgid "Alternative text used by screen readers for the image"
 msgstr "Texte alternatif utiliser par les lecteurs d'écrans pour l'image"
 
-#: agenda_culturel/models.py:215
+#: agenda_culturel/models.py:225
 msgid "Importation source"
 msgstr "Source d'importation"
 
-#: agenda_culturel/models.py:215
+#: agenda_culturel/models.py:225
 msgid "Importation source used to detect removed entries."
 msgstr "Source d'importation utilisée pour détecter les éléments supprimés/"
 
-#: agenda_culturel/models.py:216
+#: agenda_culturel/models.py:226
 msgid "UUIDs"
 msgstr "UUIDs"
 
-#: agenda_culturel/models.py:216
+#: agenda_culturel/models.py:226
 msgid "UUIDs from import to detect duplicated entries."
 msgstr "UUIDs utilisés pendant l'import pour détecter les entrées dupliquées"
 
-#: agenda_culturel/models.py:217
+#: agenda_culturel/models.py:227
 msgid "URLs"
 msgstr "URLs"
 
-#: agenda_culturel/models.py:217
+#: agenda_culturel/models.py:227
 msgid "List of all the urls where this event can be found."
 msgstr "Liste de toutes les urls où l'événement peut être trouvé."
 
-#: agenda_culturel/models.py:219
+#: agenda_culturel/models.py:229
 msgid "Tags"
 msgstr "Étiquettes"
 
-#: agenda_culturel/models.py:219
+#: agenda_culturel/models.py:229
 msgid "A list of tags that describe the event."
 msgstr "Une liste d'étiquettes décrivant l'événement"
 
-#: agenda_culturel/models.py:221
+#: agenda_culturel/models.py:231
 msgid "Possibly duplicated"
 msgstr "Possibles doublons"
 
-#: agenda_culturel/models.py:262
+#: agenda_culturel/models.py:272
 msgid "Event"
 msgstr "Événement"
 
-#: agenda_culturel/models.py:263
+#: agenda_culturel/models.py:273
 msgid "Events"
 msgstr "Événements"
 
-#: agenda_culturel/models.py:749
+#: agenda_culturel/models.py:766
 msgid "Contact message"
 msgstr "Message de contact"
 
-#: agenda_culturel/models.py:750
-#, fuzzy
-#| msgid "Your message"
+#: agenda_culturel/models.py:767
 msgid "Contact messages"
 msgstr "Messages de contact"
 
-#: agenda_culturel/models.py:752
+#: agenda_culturel/models.py:769
 msgid "Subject"
 msgstr "Sujet"
 
-#: agenda_culturel/models.py:752
+#: agenda_culturel/models.py:769
 msgid "The subject of your message"
 msgstr "Sujet de votre message"
 
-#: agenda_culturel/models.py:753
+#: agenda_culturel/models.py:770
 msgid "Your name"
 msgstr "Votre nom"
 
-#: agenda_culturel/models.py:754
+#: agenda_culturel/models.py:771
 msgid "Email address"
 msgstr "Adresse email"
 
-#: agenda_culturel/models.py:754
+#: agenda_culturel/models.py:771
 msgid "Your email address"
 msgstr "Votre adresse email"
 
-#: agenda_culturel/models.py:755
+#: agenda_culturel/models.py:772
 msgid "Message"
 msgstr "Message"
 
-#: agenda_culturel/models.py:755
+#: agenda_culturel/models.py:772
 msgid "Your message"
 msgstr "Votre message"
 
-#: agenda_culturel/models.py:759 agenda_culturel/views.py:462
+#: agenda_culturel/models.py:776 agenda_culturel/views.py:470
 msgid "Closed"
 msgstr "Fermé"
 
-#: agenda_culturel/models.py:759
+#: agenda_culturel/models.py:776
 msgid "this message has been processed and no longer needs to be handled"
 msgstr "Ce message a été traité et ne nécessite plus d'être pris en charge"
 
-#: agenda_culturel/models.py:760
+#: agenda_culturel/models.py:777
 msgid "Comments"
 msgstr "Commentaires"
 
-#: agenda_culturel/models.py:760
+#: agenda_culturel/models.py:777
 msgid "Comments on the message from the moderation team"
 msgstr "Commentaires sur ce message par l'équipe de modération"
 
-#: agenda_culturel/models.py:770 agenda_culturel/models.py:837
+#: agenda_culturel/models.py:787 agenda_culturel/models.py:854
 msgid "Recurrent import"
 msgstr "Import récurrent"
 
-#: agenda_culturel/models.py:771
+#: agenda_culturel/models.py:788
 msgid "Recurrent imports"
 msgstr "Imports récurrents"
 
-#: agenda_culturel/models.py:775
+#: agenda_culturel/models.py:792
 msgid "ical"
 msgstr "ical"
 
-#: agenda_culturel/models.py:776
+#: agenda_culturel/models.py:793
 msgid "ical no busy"
 msgstr "ical sans busy"
 
-#: agenda_culturel/models.py:777
+#: agenda_culturel/models.py:794
 msgid "ical no VC"
 msgstr "ical sans VC"
 
-#: agenda_culturel/models.py:778
+#: agenda_culturel/models.py:795
 msgid "lacoope.org"
 msgstr "lacoope.org"
 
-#: agenda_culturel/models.py:779
+#: agenda_culturel/models.py:796
 msgid "la comédie"
 msgstr "la comédie"
 
-#: agenda_culturel/models.py:780
+#: agenda_culturel/models.py:797
 msgid "le fotomat"
 msgstr "le fotomat"
 
-#: agenda_culturel/models.py:781
+#: agenda_culturel/models.py:798
 msgid "la puce à loreille"
 msgstr "la puce à loreille"
 
-#: agenda_culturel/models.py:784
+#: agenda_culturel/models.py:801
 msgid "simple"
 msgstr "simple"
 
-#: agenda_culturel/models.py:785
+#: agenda_culturel/models.py:802
 msgid "Headless Chromium"
 msgstr "chromium sans interface"
 
-#: agenda_culturel/models.py:789
+#: agenda_culturel/models.py:806
 msgid "daily"
 msgstr "chaque jour"
 
-#: agenda_culturel/models.py:790
+#: agenda_culturel/models.py:807
 msgid "weekly"
 msgstr "chaque semaine"
 
-#: agenda_culturel/models.py:792
+#: agenda_culturel/models.py:809
 msgid ""
 "Recurrent import name. Be careful to choose a name that is easy to "
 "understand, as it will be public and displayed on the sites About page."
@@ -394,127 +412,127 @@ msgstr ""
 "Nom de l'import récurrent. Attention à choisir un nom compréhensible, car il "
 "sera public, et affiché sur la page à propos du site."
 
-#: agenda_culturel/models.py:793
+#: agenda_culturel/models.py:810
 msgid "Processor"
 msgstr "Processeur"
 
-#: agenda_culturel/models.py:794
+#: agenda_culturel/models.py:811
 msgid "Downloader"
 msgstr "Téléchargeur"
 
-#: agenda_culturel/models.py:796
+#: agenda_culturel/models.py:813
 msgid "Import recurrence"
 msgstr "Récurrence d'import"
 
-#: agenda_culturel/models.py:799
+#: agenda_culturel/models.py:816
 msgid "Source"
 msgstr "Source"
 
-#: agenda_culturel/models.py:799
+#: agenda_culturel/models.py:816
 msgid "URL of the source document"
 msgstr "URL du document source"
 
-#: agenda_culturel/models.py:800
+#: agenda_culturel/models.py:817
 msgid "Browsable url"
 msgstr "URL navigable"
 
-#: agenda_culturel/models.py:800
+#: agenda_culturel/models.py:817
 msgid "URL of the corresponding document that will be shown to visitors."
 msgstr "URL correspondant au document et qui sera montrée aux visiteurs"
 
-#: agenda_culturel/models.py:802
+#: agenda_culturel/models.py:819
 msgid "Status of each imported event (published or draft)"
 msgstr "Status de chaque événement importé (publié ou brouillon)"
 
-#: agenda_culturel/models.py:803
+#: agenda_culturel/models.py:820
 msgid "Address for each imported event"
 msgstr "Adresse de chaque événement importé"
 
-#: agenda_culturel/models.py:804
+#: agenda_culturel/models.py:821
 msgid "Category of each imported event"
 msgstr "Catégorie de chaque événement importé"
 
-#: agenda_culturel/models.py:805
+#: agenda_culturel/models.py:822
 msgid "Tags for each imported event"
 msgstr "Étiquettes de chaque événement importé"
 
-#: agenda_culturel/models.py:805
+#: agenda_culturel/models.py:822
 msgid "A list of tags that describe each imported event."
 msgstr "Une liste d'étiquettes décrivant chaque événement importé"
 
-#: agenda_culturel/models.py:824
+#: agenda_culturel/models.py:841
 msgid "Running"
 msgstr "En cours"
 
-#: agenda_culturel/models.py:825
+#: agenda_culturel/models.py:842
 msgid "Canceled"
 msgstr "Annulé"
 
-#: agenda_culturel/models.py:826
+#: agenda_culturel/models.py:843
 msgid "Success"
 msgstr "Succès"
 
-#: agenda_culturel/models.py:827
+#: agenda_culturel/models.py:844
 msgid "Failed"
 msgstr "Erreur"
 
-#: agenda_culturel/models.py:830
+#: agenda_culturel/models.py:847
 msgid "Batch importation"
 msgstr "Importation par lot"
 
-#: agenda_culturel/models.py:831
+#: agenda_culturel/models.py:848
 msgid "Batch importations"
 msgstr "Importations par lot"
 
-#: agenda_culturel/models.py:837
+#: agenda_culturel/models.py:854
 msgid "Reference to the recurrent import processing"
 msgstr "Référence du processus d'import récurrent"
 
-#: agenda_culturel/models.py:841
+#: agenda_culturel/models.py:858
 msgid "Error message"
 msgstr "Votre message"
 
-#: agenda_culturel/models.py:843
+#: agenda_culturel/models.py:860
 msgid "Number of collected events"
 msgstr "Nombre d'événements collectés"
 
-#: agenda_culturel/models.py:844
+#: agenda_culturel/models.py:861
 msgid "Number of imported events"
 msgstr "Nombre d'événements importés"
 
-#: agenda_culturel/models.py:845
+#: agenda_culturel/models.py:862
 msgid "Number of updated events"
 msgstr "Nombre d'événements mis à jour"
 
-#: agenda_culturel/models.py:846
+#: agenda_culturel/models.py:863
 msgid "Number of removed events"
 msgstr "Nombre d'événements supprimés"
 
-#: agenda_culturel/models.py:853
+#: agenda_culturel/models.py:870
 msgid "Weight"
 msgstr "Poids"
 
-#: agenda_culturel/models.py:853
+#: agenda_culturel/models.py:870
 msgid "The lower is the weight, the earlier the filter is applied"
 msgstr "Plus le poids est léger, plus le filtre sera appliqué tôt"
 
-#: agenda_culturel/models.py:855
+#: agenda_culturel/models.py:872
 msgid "Category applied to the event"
 msgstr "Catégorie appliquée à l'événement"
 
-#: agenda_culturel/models.py:857
+#: agenda_culturel/models.py:874
 msgid "Contained in the title"
 msgstr "Contenu dans le titre"
 
-#: agenda_culturel/models.py:857
+#: agenda_culturel/models.py:874
 msgid "Text contained in the event title"
 msgstr "Texte contenu dans le titre de l'événement"
 
-#: agenda_culturel/models.py:858
+#: agenda_culturel/models.py:875
 msgid "Exact title extract"
 msgstr "Extrait exact du titre"
 
-#: agenda_culturel/models.py:858
+#: agenda_culturel/models.py:875
 msgid ""
 "If checked, the extract will be searched for in the title using the exact "
 "form (capitals, accents)."
@@ -522,19 +540,19 @@ msgstr ""
 "Si coché, l'extrait sera recherché dans le titre en utilisant la forme "
 "exacte (majuscules, accents)"
 
-#: agenda_culturel/models.py:860
+#: agenda_culturel/models.py:877
 msgid "Contained in the description"
 msgstr "Contenu dans la description"
 
-#: agenda_culturel/models.py:860
+#: agenda_culturel/models.py:877
 msgid "Text contained in the description"
 msgstr "Texte contenu dans la description"
 
-#: agenda_culturel/models.py:861
+#: agenda_culturel/models.py:878
 msgid "Exact description extract"
 msgstr "Extrait exact de description"
 
-#: agenda_culturel/models.py:861
+#: agenda_culturel/models.py:878
 msgid ""
 "If checked, the extract will be searched for in the description using the "
 "exact form (capitals, accents)."
@@ -542,19 +560,19 @@ msgstr ""
 "Si coché, l'extrait sera recherché dans la description en utilisant la forme "
 "exacte (majuscules, accents)"
 
-#: agenda_culturel/models.py:863
+#: agenda_culturel/models.py:880
 msgid "Contained in the location"
 msgstr "Contenu dans la localisation"
 
-#: agenda_culturel/models.py:863
+#: agenda_culturel/models.py:880
 msgid "Text contained in the event location"
 msgstr "Texte contenu dans la localisation de l'événement"
 
-#: agenda_culturel/models.py:864
+#: agenda_culturel/models.py:881
 msgid "Exact location extract"
 msgstr "Extrait exact de localisation"
 
-#: agenda_culturel/models.py:864
+#: agenda_culturel/models.py:881
 msgid ""
 "If checked, the extract will be searched for in the location using the exact "
 "form (capitals, accents)."
@@ -562,52 +580,52 @@ msgstr ""
 "Si coché, l'extrait sera recherché dans la localisation en utilisant la "
 "forme exacte (majuscules, accents)"
 
-#: agenda_culturel/models.py:867
+#: agenda_culturel/models.py:884
 msgid "Categorisation rule"
 msgstr "Règle de catégorisation"
 
-#: agenda_culturel/models.py:868
+#: agenda_culturel/models.py:885
 msgid "Categorisation rules"
 msgstr "Règles de catégorisation"
 
-#: agenda_culturel/models.py:924 agenda_culturel/models.py:945
+#: agenda_culturel/models.py:941 agenda_culturel/models.py:962
 msgid "Question"
 msgstr "Question"
 
-#: agenda_culturel/models.py:924 agenda_culturel/models.py:947
+#: agenda_culturel/models.py:941 agenda_culturel/models.py:964
 msgid "Text that will be shown to moderators"
 msgstr "Text tel que présenté aux modérateurices"
 
-#: agenda_culturel/models.py:927
+#: agenda_culturel/models.py:944
 msgid "Moderation question"
 msgstr "Question de modération"
 
-#: agenda_culturel/models.py:928
+#: agenda_culturel/models.py:945
 msgid "Moderation questions"
 msgstr "Questions de modération"
 
-#: agenda_culturel/models.py:945
+#: agenda_culturel/models.py:962
 msgid "Associated question from moderation"
 msgstr "Question associée pour la modération"
 
-#: agenda_culturel/models.py:947
+#: agenda_culturel/models.py:964
 msgid "Answer"
 msgstr "Réponse"
 
-#: agenda_culturel/models.py:949
+#: agenda_culturel/models.py:966
 msgid "Adds tags"
 msgstr "Ajoute les étiquettes"
 
-#: agenda_culturel/models.py:949
+#: agenda_culturel/models.py:966
 msgid "A list of tags that will be added if you choose this answer."
 msgstr ""
 "Une liste d'étiquettes qui seront ajoutées si vous choisissez cette réponse."
 
-#: agenda_culturel/models.py:950
+#: agenda_culturel/models.py:967
 msgid "Removes tags"
 msgstr "Retire les étiquettes"
 
-#: agenda_culturel/models.py:950
+#: agenda_culturel/models.py:967
 msgid "A list of tags that will be removed if you choose this answer."
 msgstr ""
 "Une liste d'étiquettes qui seront retirées si vous choisissez cette réponse."
@@ -620,27 +638,27 @@ msgstr "anglais"
 msgid "French"
 msgstr "français"
 
-#: agenda_culturel/views.py:261
+#: agenda_culturel/views.py:269
 msgid "The static content has been successfully updated."
 msgstr "Le contenu statique a été modifié avec succès."
 
-#: agenda_culturel/views.py:268 agenda_culturel/views.py:303
+#: agenda_culturel/views.py:276 agenda_culturel/views.py:311
 msgid "The event has been successfully modified."
 msgstr "L'événement a été modifié avec succès."
 
-#: agenda_culturel/views.py:280
+#: agenda_culturel/views.py:288
 msgid "The event has been successfully deleted."
 msgstr "L'événement a été supprimé avec succès"
 
-#: agenda_culturel/views.py:329
+#: agenda_culturel/views.py:337
 msgid "The status has been successfully modified."
 msgstr "Le status a été modifié avec succès."
 
-#: agenda_culturel/views.py:351
+#: agenda_culturel/views.py:359
 msgid "The event is saved."
 msgstr "L'événement est enregistré."
 
-#: agenda_culturel/views.py:354
+#: agenda_culturel/views.py:362
 msgid ""
 "The event has been submitted and will be published as soon as it has been "
 "validated by the moderation team."
@@ -648,7 +666,7 @@ msgstr ""
 "L'événement a été soumis et sera publié dès qu'il aura été validé par "
 "l'équipe de modération."
 
-#: agenda_culturel/views.py:391
+#: agenda_culturel/views.py:399
 msgid ""
 "The event has been successfully extracted, and you can now submit it after "
 "modifying it if necessary."
@@ -656,7 +674,7 @@ msgstr ""
 "L'événement a été extrait avec succès, vous pouvez maintenant le soumettre "
 "après l'avoir modifié au besoin."
 
-#: agenda_culturel/views.py:395
+#: agenda_culturel/views.py:403
 msgid ""
 "Unable to extract an event from the proposed URL. Please use the form below "
 "to submit the event."
@@ -664,16 +682,16 @@ msgstr ""
 "Impossible d'extraire un événement depuis l'URL proposée. Veuillez utiliser "
 "le formulaire ci-dessous pour soumettre l'événement."
 
-#: agenda_culturel/views.py:404
+#: agenda_culturel/views.py:412
 msgid "This URL has already been submitted, and you can find the event below."
 msgstr ""
 "Cette URL a déjà été soumise, et vous trouverez l'événement ci-dessous."
 
-#: agenda_culturel/views.py:408
+#: agenda_culturel/views.py:416
 msgid "This URL has already been submitted and is awaiting moderation."
 msgstr "Cette URL a déjà été soumise, et est en attente de modération"
 
-#: agenda_culturel/views.py:410
+#: agenda_culturel/views.py:418
 msgid ""
 "This URL has already been submitted, but has not been selected for "
 "publication by the moderation team."
@@ -681,51 +699,51 @@ msgstr ""
 "Cette URL a déjà été soumise, mais n'a pas été retenue par l'équipe de "
 "modération pour la publication."
 
-#: agenda_culturel/views.py:432
+#: agenda_culturel/views.py:440
 msgid "Your message has been sent successfully."
 msgstr "Votre message a été envoyé avec succès."
 
-#: agenda_culturel/views.py:447
+#: agenda_culturel/views.py:455
 msgid "The contact message properties has been successfully modified."
 msgstr "Les propriétés du message de contact ont été modifié avec succès."
 
-#: agenda_culturel/views.py:462
+#: agenda_culturel/views.py:470
 msgid "Open"
 msgstr "Ouvert"
 
-#: agenda_culturel/views.py:504
+#: agenda_culturel/views.py:512
 msgid "Search"
 msgstr "Rechercher"
 
-#: agenda_culturel/views.py:639
+#: agenda_culturel/views.py:647
 msgid "The import has been run successfully."
 msgstr "L'import a été lancé avec succès"
 
-#: agenda_culturel/views.py:656
+#: agenda_culturel/views.py:664
 msgid "The import has been canceled."
 msgstr "L'import a été annulé"
 
-#: agenda_culturel/views.py:693
+#: agenda_culturel/views.py:701
 msgid "The recurrent import has been successfully modified."
 msgstr "L'import récurrent a été modifié avec succès."
 
-#: agenda_culturel/views.py:700
+#: agenda_culturel/views.py:708
 msgid "The recurrent import has been successfully deleted."
 msgstr "L'import récurrent a été supprimé avec succès"
 
-#: agenda_culturel/views.py:731
+#: agenda_culturel/views.py:739
 msgid "The import has been launched."
 msgstr "L'import a été lancé"
 
-#: agenda_culturel/views.py:791
+#: agenda_culturel/views.py:799
 msgid "The merge has been successfully completed."
 msgstr "La fusion a été réalisée avec succès."
 
-#: agenda_culturel/views.py:821
+#: agenda_culturel/views.py:829
 msgid "Events have been marked as unduplicated."
 msgstr "Les événements ont été marqués comme non dupliqués."
 
-#: agenda_culturel/views.py:838
+#: agenda_culturel/views.py:846
 msgid ""
 "The selected event has been retained, while the other has been moved to the "
 "recycle bin."
@@ -733,7 +751,7 @@ msgstr ""
 "L'événement sélectionné a été conservé, l'autre a été déplacé dans la "
 "corbeille."
 
-#: agenda_culturel/views.py:840
+#: agenda_culturel/views.py:848
 msgid ""
 "The selected event has been retained, while the others have been moved to "
 "the recycle bin."
@@ -741,15 +759,15 @@ msgstr ""
 "L'événement sélectionné a été conservé, les autres ont été déplacés dans la "
 "corbeille."
 
-#: agenda_culturel/views.py:846
+#: agenda_culturel/views.py:854
 msgid "The event has been withdrawn from the group and made independent."
 msgstr "L'événement a été retiré du groupe et rendu indépendant."
 
-#: agenda_culturel/views.py:893
+#: agenda_culturel/views.py:901
 msgid "The event was successfully duplicated."
 msgstr "L'événement a été marqué dupliqué avec succès."
 
-#: agenda_culturel/views.py:896
+#: agenda_culturel/views.py:904
 msgid ""
 "The event has been successfully flagged as a duplicate. The moderation team "
 "will deal with your suggestion shortly."
@@ -757,35 +775,63 @@ msgstr ""
 "L'événement a été signalé comme dupliqué avec succès. Votre suggestion sera "
 "prochainement prise en charge par l'équipe de modération."
 
-#: agenda_culturel/views.py:935
+#: agenda_culturel/views.py:943
 msgid "The categorisation rule has been successfully modified."
 msgstr "La règle de catégorisation a été modifiée avec succès."
 
-#: agenda_culturel/views.py:942
+#: agenda_culturel/views.py:950
 msgid "The categorisation rule has been successfully deleted."
 msgstr "La règle de catégorisation a été supprimée avec succès"
 
-#: agenda_culturel/views.py:962 agenda_culturel/views.py:991
+#: agenda_culturel/views.py:970 agenda_culturel/views.py:999
 msgid "The rules were successfully applied and 1 event was categorised."
 msgstr ""
 "Les règles ont été appliquées avec succès et 1 événement a été catégorisé"
 
-#: agenda_culturel/views.py:964 agenda_culturel/views.py:993
+#: agenda_culturel/views.py:972 agenda_culturel/views.py:1001
 msgid "The rules were successfully applied and {} events were categorised."
 msgstr ""
 "Les règles ont été appliquées avec succès et {} événements ont été "
 "catégorisés"
 
-#: agenda_culturel/views.py:966 agenda_culturel/views.py:995
+#: agenda_culturel/views.py:974 agenda_culturel/views.py:1003
 msgid "The rules were successfully applied and no events were categorised."
 msgstr ""
 "Les règles ont été appliquées avec succès et aucun événement n'a été "
 "catégorisé"
 
-#: agenda_culturel/views.py:1023
+#: agenda_culturel/views.py:1031
 msgid "The moderation question has been created with success."
 msgstr "La question de modération a été créée avec succès."
 
+#: agenda_culturel/views.py:1123 agenda_culturel/views.py:1178
+msgid "{} events have been updated."
+msgstr "{} événements ont été mis à jour."
+
+#: agenda_culturel/views.py:1125 agenda_culturel/views.py:1180
+msgid "1 event has been updated."
+msgstr "1 événement a été mis à jour"
+
+#: agenda_culturel/views.py:1127 agenda_culturel/views.py:1182
+msgid "No events have been modified."
+msgstr "Aucun événement n'a été modifié."
+
+#: agenda_culturel/views.py:1135
+msgid "The place has been successfully updated."
+msgstr "Le lieu a été modifié avec succès."
+
+#: agenda_culturel/views.py:1142
+msgid "The place has been successfully created."
+msgstr "Le lieu a été créé avec succès."
+
+#: agenda_culturel/views.py:1201
+msgid "The selected place has been assigned to the event. "
+msgstr "Le lieu sélectionné a été assigné à l'événement. "
+
+#: agenda_culturel/views.py:1203
+msgid "A new alias has been added to the selected place. "
+msgstr "Un nouvel alias a été créé pour le lieu sélectionné. "
+
 msgid "Recurrent import name"
 msgstr "Nome de l'import récurrent"
 
diff --git a/src/agenda_culturel/migrations/0057_alter_place_aliases.py b/src/agenda_culturel/migrations/0057_alter_place_aliases.py
new file mode 100644
index 0000000..8bc7a40
--- /dev/null
+++ b/src/agenda_culturel/migrations/0057_alter_place_aliases.py
@@ -0,0 +1,19 @@
+# Generated by Django 4.2.7 on 2024-04-27 07:44
+
+from django.db import migrations, models
+import django_better_admin_arrayfield.models.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('agenda_culturel', '0056_place_alter_event_location_event_exact_location'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='place',
+            name='aliases',
+            field=django_better_admin_arrayfield.models.fields.ArrayField(base_field=models.CharField(max_length=512), blank=True, help_text='Alternative names or addresses used to match a place with the free-form location of an event.', null=True, size=None, verbose_name='Alternative names'),
+        ),
+    ]
diff --git a/src/agenda_culturel/migrations/0058_place_city_alter_place_address.py b/src/agenda_culturel/migrations/0058_place_city_alter_place_address.py
new file mode 100644
index 0000000..6b3373b
--- /dev/null
+++ b/src/agenda_culturel/migrations/0058_place_city_alter_place_address.py
@@ -0,0 +1,24 @@
+# Generated by Django 4.2.7 on 2024-04-27 15:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('agenda_culturel', '0057_alter_place_aliases'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='place',
+            name='city',
+            field=models.CharField(default='', help_text='City name', verbose_name='City'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='place',
+            name='address',
+            field=models.CharField(help_text='Address of this place (without city name)', verbose_name='Address'),
+        ),
+    ]
diff --git a/src/agenda_culturel/migrations/0059_auto_20240427_1829.py b/src/agenda_culturel/migrations/0059_auto_20240427_1829.py
new file mode 100644
index 0000000..771bbf1
--- /dev/null
+++ b/src/agenda_culturel/migrations/0059_auto_20240427_1829.py
@@ -0,0 +1,23 @@
+# Generated by Django 4.2.7 on 2024-04-27 16:29
+
+from django.db import migrations
+from django.contrib.auth.management import create_permissions
+from django.contrib.auth.models import Group, Permission
+
+def update_groups_permissions(apps, schema_editor):
+
+    all_perms = Permission.objects.all()
+
+    # set permissions for moderators
+    moderator_perms = [i for i in all_perms if i.content_type.app_label == 'agenda_culturel' and i.content_type.model in ['place']]
+    Group.objects.get(name="Moderator").permissions.add(*moderator_perms)
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('agenda_culturel', '0058_place_city_alter_place_address'),
+    ]
+
+    operations = [
+        migrations.RunPython(update_groups_permissions),
+    ]
diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index 21debb5..b2790e6 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -160,8 +160,9 @@ class DuplicatedEvents(models.Model):
 
 class Place(models.Model):
     name = models.CharField(verbose_name=_('Name'), help_text=_('Name of the place'))
-    address = models.CharField(verbose_name=_('Address'), help_text=_('Address of this place'))
-    location = PlainLocationField(based_fields=['name', 'address'], zoom=12)
+    address = models.CharField(verbose_name=_('Address'), help_text=_('Address of this place (without city name)'))
+    city = models.CharField(verbose_name=_('City'), help_text=_('City name'))
+    location = PlainLocationField(based_fields=['name', 'address', 'city'], zoom=12)
     
     aliases = ArrayField(models.CharField(max_length=512), verbose_name=_('Alternative names'), help_text=_("Alternative names or addresses used to match a place with the free-form location of an event."), blank=True, null=True)
 
@@ -175,6 +176,11 @@ class Place(models.Model):
     def get_absolute_url(self):
         return reverse("view_place", kwargs={"pk": self.pk})
 
+    def nb_events(self):
+        return Event.objects.filter(exact_location=self).count()
+
+    def match(self, event):
+        return event.location in self.aliases
 
 
 class Event(models.Model):
@@ -396,9 +402,16 @@ class Event(models.Model):
         if self.image and not self.local_image:
             self.download_image()
 
-        # try to detect category
         if self.is_in_importation_process():
+            # try to detect category
             CategorisationRule.apply_rules(self)
+            # try to detect location
+            if not self.exact_location:
+                for p in Place.objects.all():
+                    if p.match(self):
+                        logger.warning("Found a place for an imported event: " + p.name)
+                        self.exact_location = p
+                        break
 
 
     def save(self, *args, **kwargs):
diff --git a/src/agenda_culturel/static/style.scss b/src/agenda_culturel/static/style.scss
index 620f553..abbb21a 100644
--- a/src/agenda_culturel/static/style.scss
+++ b/src/agenda_culturel/static/style.scss
@@ -308,6 +308,10 @@ header .title {
     }
 }
 
+article form label {
+    display: inline-block;
+}
+
 article#filters {
     .buttons-filter {
         float: right;
@@ -838,4 +842,12 @@ table .buttons {
             border-top-right-radius: 0;
           }
     }
+}
+
+.missing-data {
+    color: red;
+}
+
+#filters #id_city {
+    columns: 4;
 }
\ No newline at end of file
diff --git a/src/agenda_culturel/templates/agenda_culturel/event-location-inc.html b/src/agenda_culturel/templates/agenda_culturel/event-location-inc.html
new file mode 100644
index 0000000..7f51fab
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/event-location-inc.html
@@ -0,0 +1,14 @@
+
+{% if event.exact_location %}
+    {% if nolink %}
+        {{ event.exact_location.name }}, {{ event.exact_location.city }}
+    {% else %}
+        <a href="{% url 'view_place' event.exact_location.pk %}">{{ event.exact_location.name }}, {{ event.exact_location.city }}</a>
+    {% endif %}
+{% else %}
+    {% if perms.agenda_culturel.change_event and perms.agenda_culturel.change_place %}
+    <a href="{% url 'add_place_to_event' event.pk %}" class="missing-data">{{ event.location }}</a>
+    {% else %}
+    {{ event.location }}
+    {% endif %}
+{% endif %}
\ No newline at end of file
diff --git a/src/agenda_culturel/templates/agenda_culturel/filter-inc.html b/src/agenda_culturel/templates/agenda_culturel/filter-inc.html
index 4bcfb65..dac6805 100644
--- a/src/agenda_culturel/templates/agenda_culturel/filter-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/filter-inc.html
@@ -18,6 +18,9 @@
         {% for s in filter.get_status_names %}
             {{ s }}
         {% endfor %}
+        {% for c in filter.get_cities %}
+            {{ c }}
+        {% endfor %}
         {{ filter.get_recurrence_filtering }}
     {% else %}
         Filtrer
diff --git a/src/agenda_culturel/templates/agenda_culturel/page.html b/src/agenda_culturel/templates/agenda_culturel/page.html
index 4a4876f..aefbaed 100644
--- a/src/agenda_culturel/templates/agenda_culturel/page.html
+++ b/src/agenda_culturel/templates/agenda_culturel/page.html
@@ -52,6 +52,9 @@
                     {% if perms.agenda_culturel.change_duplicatedevents %}
                     {% show_badge_duplicated "bottom" %}
                     {% endif %}
+                    {% if perms.agenda_culturel.change_place and perms.agenda_culturel.change_event %}
+                    {% show_badge_unknown_places "bottom" %}
+                    {% endif %}
                     {% if perms.agenda_culturel.view_contactmessage %}
                     {% show_badge_contactmessages "bottom" %}
                     {% endif %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/place_confirm_delete.html b/src/agenda_culturel/templates/agenda_culturel/place_confirm_delete.html
index d066473..f2b6f51 100644
--- a/src/agenda_culturel/templates/agenda_culturel/place_confirm_delete.html
+++ b/src/agenda_culturel/templates/agenda_culturel/place_confirm_delete.html
@@ -10,8 +10,16 @@
     <header>
         <h1>Suppression du lieu  {{ object.name }}</h1>
     </header>
+    {% with nb_events=object.nb_events %}
+        {% if nb_events > 0 %}
+            <p class="message warning"><strong>Attention&nbsp;:</strong> {{ nb_events }} événement{{ nb_events|pluralize }} 
+                {% if nb_events > 1 %}sont enregistrés{% else %}est enregistré{% endif %} dans ce lieu.</p>
+        {% endif %}
+    {% endwith %}
+    <p>Êtes-vous sûr·e de vouloir supprimer le lieu «&nbsp;{{ object.name }} ({{ object.pk }})&nbsp;» situé à l'adresse {{ object.address }}, et de coordonnées {{ object.location }}&nbsp;?</p>
+
     <form method="post">{% csrf_token %}
-        <p>Êtes-vous sûr·e de vouloir supprimer le lieu «&nbsp;{{ object.name }} ({{ object.pk }})&nbsp;» situé à l'adresse {{ object.address }}, et de coordonnées {{ object.location }}&nbsp;?</p>
+
         {{ form }}
         <div class="grid buttons">
             <a href="{% if request.META.HTTP_REFERER %}{{ request.META.HTTP_REFERER }}{% else %}{{ object.get_absolute_url }}{% endif %}" role="button" class="secondary">Annuler</a>    
diff --git a/src/agenda_culturel/templates/agenda_culturel/place_detail.html b/src/agenda_culturel/templates/agenda_culturel/place_detail.html
index 671dddb..3d6f88d 100644
--- a/src/agenda_culturel/templates/agenda_culturel/place_detail.html
+++ b/src/agenda_culturel/templates/agenda_culturel/place_detail.html
@@ -25,8 +25,8 @@
         {% if perms.agenda_culturel.change_place %}
         <a href="{% url 'view_places' %}" role="button">&lt; Tous les lieux</a>    
         {% endif %}
-        <div class="slide-buttons">
         {% if perms.agenda_culturel.change_place %}
+        <div class="slide-buttons">
             <a href="{% url 'edit_place' place.pk %}" role="button">Modifier {% picto_from_name "edit-3" %}</a>
             <a href="{% url 'delete_place' place.pk %}" role="button">Supprimer {% picto_from_name "trash-2" %}</a>
         </div>
@@ -36,8 +36,13 @@
     <div class="grid">
         <div>
             <ul>
-                <li><strong>Adresse&nbsp;:</strong> {{ object.address }}</li>
+                <li><strong>Adresse&nbsp;:</strong> {{ object.address }}, {{ object.city }}</li>
                 <li><strong>Coordonnée GPS&nbsp;:</strong> <a href="geo:{{ object.location }}">{{ object.location }}</a></li>
+                {% if object.nb_events > 0 %}
+                    <li><strong>Nombre d'événements&nbsp;:</strong> {{ object.nb_events }}</li>
+                {% else %}
+                    <li><em>Aucun événement n'est enregistré dans ce lieu</em></li>
+                {% endif %}
             </ul>
             {% if user.is_authenticated %}
                 {% if object.aliases|length > 0 %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/place_form.html b/src/agenda_culturel/templates/agenda_culturel/place_form.html
index 345c71c..b20866e 100644
--- a/src/agenda_culturel/templates/agenda_culturel/place_form.html
+++ b/src/agenda_culturel/templates/agenda_culturel/place_form.html
@@ -18,13 +18,20 @@
 
 <h1>{% if form.instance.pk %}Modification{% else %}Création{% endif %} d'un lieu</h1>
 <article>
+    {% if event %}
+    <p>Création d'un lieu depuis l'événement « {{ event }} » (voir en bas de page le détail de l'événement).</p>
+    {% endif %}
     <form method="post">{% csrf_token %}
-        {{ form.as_p }}
+        {{ form.as_grid }}
         <div class="grid buttons">
             <a href="{% if request.META.HTTP_REFERER %}{{ request.META.HTTP_REFERER }}{% else %}{{ object.get_absolute_url }}{% endif %}" role="button" class="secondary">Annuler</a>
             <input type="submit" value="Envoyer">
         </div>
     </form>
+    {% if event %}
+    <h2>Description du lieu&nbsp;:</h2>
+    {% include "agenda_culturel/single-event/event-single-inc.html" with event=event noedit=1 %}
+    {% endif %}
 </article>
 
 {% endblock %}
\ No newline at end of file
diff --git a/src/agenda_culturel/templates/agenda_culturel/place_list.html b/src/agenda_culturel/templates/agenda_culturel/place_list.html
index acea469..6c89972 100644
--- a/src/agenda_culturel/templates/agenda_culturel/place_list.html
+++ b/src/agenda_culturel/templates/agenda_culturel/place_list.html
@@ -12,7 +12,10 @@
 <div class="grid two-columns">
 <article>
     <header>
-        <a class="slide-buttons" href="{% url 'add_place' %}" role="button">Ajouter {% picto_from_name "plus-circle" %}</a>
+        <div class="slide-buttons">
+            <a href="{% url 'fix_unknown_places' %}" role="button" data-tooltip="Utiliser les alias des lieux pour les associer aux événements sans lieu">Détecter par alias {% picto_from_name "link" %}</a>
+            <a href="{% url 'add_place' %}" role="button">Ajouter {% picto_from_name "plus-circle" %}</a>
+        </div>
         <h1>Lieux</h1>
     </header>
     {% if object_list %}
@@ -26,7 +29,7 @@
             </div>
             <h2>Lieu #{{ place.pk }}&nbsp;: {{ place.name }}</h2>
             <ul>
-                <li><strong>Adresse&nbsp;:</strong> {{ place.address }}</li>
+                <li><strong>Adresse&nbsp;:</strong> {{ place.address }}, {{ place.city }}</li>
                 <li><strong>Coordonnée GPS&nbsp;:</strong> {{ place.location }}</li>
             </ul>
             {% if place.aliases|length > 0 %}
@@ -34,6 +37,11 @@
             {% else %}
                 <p><em>Ce lieu n'a pas d'alias défini</em></p>
             {% endif %}
+            {% if place.nb_events > 0 %}
+                <p><strong>Nombre d'événements&nbsp;:</strong> {{ place.nb_events }}</p>
+            {% else %}
+                <p><em>Aucun événement n'est enregistré dans ce lieu</em></p>
+            {% endif %}
         </header>
         
       </article>
diff --git a/src/agenda_culturel/templates/agenda_culturel/place_unknown_form.html b/src/agenda_culturel/templates/agenda_culturel/place_unknown_form.html
new file mode 100644
index 0000000..c102c34
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/place_unknown_form.html
@@ -0,0 +1,49 @@
+{% extends "agenda_culturel/page.html" %}
+{% load static %}
+
+
+{% block title %}Ajouter un lieu à {{ object.title }}{% endblock %}
+
+{% block entete_header %}
+<script src="{% url 'jsi18n' %}"></script>
+<script src="/static/admin/js/vendor/jquery/jquery.js"></script>
+<script src="/static/admin/js/jquery.init.js"></script>
+<script src="/static/admin/js/admin/DateTimeShortcuts.js"></script>
+<script src="{% static 'recurrence/js/recurrence.js' %}"></script>
+<script src="{% static 'recurrence/js/recurrence.js' %}"></script>
+<script src="/static/admin/js/admin/RelatedObjectLookups.js"></script>
+
+
+<script>window.CKEDITOR_BASEPATH = '/static/ckeditor/ckeditor/';</script>
+<script src="/static/admin/js/vendor/jquery/jquery.js"></script>
+<script src="/static/admin/js/jquery.init.js"></script>
+<link href="{% static 'css/django_better_admin_arrayfield.min.css' %}" type="text/css" media="all" rel="stylesheet">
+<script src="{% static 'js/django_better_admin_arrayfield.min.js' %}"></script>
+<script src="{% static 'js/adjust_datetimes.js' %}"></script>
+{% endblock %}
+
+{% block fluid %}{% endblock %}
+
+{% block content %}
+
+{% load static_content_extra %}
+
+<article>
+    <header>
+        <h1>Ajouter un lieu à {{ object.title }} ({{ object.start_day }})</h1>
+    </header>
+
+    <p>Si le lieu est disponible dans la liste, veuillez le sélectionner.</p>
+    <form method="post">{% csrf_token %}
+        {{ form.media }}
+        {{ form.as_p }}
+        <div class="grid buttons">
+            <a href="{% if request.META.HTTP_REFERER %}{{ request.META.HTTP_REFERER }}{% else %}{{ object.get_absolute_url }}{% endif %}" role="button" class="secondary">Annuler</a>
+            <input type="submit" value="Valider">
+        </div>
+    </form>
+    <h2>Description du lieu&nbsp;:</h2>
+    {% include "agenda_culturel/single-event/event-single-inc.html" with event=object noedit=1 %}
+</article>
+
+{% endblock %}
\ No newline at end of file
diff --git a/src/agenda_culturel/templates/agenda_culturel/place_unknown_list.html b/src/agenda_culturel/templates/agenda_culturel/place_unknown_list.html
new file mode 100644
index 0000000..d1be020
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/place_unknown_list.html
@@ -0,0 +1,49 @@
+{% extends "agenda_culturel/page.html" %}
+{% load utils_extra %}
+
+
+{% block title %}Événements sans lieu{% endblock %}
+
+{% load cat_extra %}
+{% block entete_header %}
+    {% css_categories %}
+{% endblock %}
+
+{% block content %}
+<div class="grid two-columns">
+<article>
+    <header>
+        <div class="slide-buttons">
+            <a href="{% url 'fix_unknown_places' %}" role="button" data-tooltip="Utiliser les alias des lieux pour les associer aux événements sans lieu">Détecter par alias {% picto_from_name "link" %}</a>
+        </div>
+        <h1>Événements sans lieu</h1>
+    </header>
+
+    <div>
+{% for obj in object_list %}
+    <article>{% include "agenda_culturel/single-event/event-in-unknown-place-list-inc.html" with event=obj %}</article>
+{% endfor %}
+    </div>
+<footer>
+    <span>
+        {% if page_obj.has_previous %}
+            <a href="?page=1" role="button">&laquo; premier</a>
+            <a href="?page={{ page_obj.previous_page_number }}" role="button">précédent</a>
+        {% endif %}
+
+        <span>
+            Page {{ page_obj.number }} sur {{ page_obj.paginator.num_pages }}
+        </span>
+
+        {% if page_obj.has_next %}
+            <a href="?page={{ page_obj.next_page_number }}" role="button">suivant</a>
+            <a href="?page={{ page_obj.paginator.num_pages }}" role="button">dernier &raquo;</a>
+        {% endif %}
+    </span>
+</footer>
+</article>
+
+{% include "agenda_culturel/side-nav.html" with current="unknown_places" %}
+</div>
+
+{% endblock %}
\ No newline at end of file
diff --git a/src/agenda_culturel/templates/agenda_culturel/side-nav.html b/src/agenda_culturel/templates/agenda_culturel/side-nav.html
index d5ae150..f9a0260 100644
--- a/src/agenda_culturel/templates/agenda_culturel/side-nav.html
+++ b/src/agenda_culturel/templates/agenda_culturel/side-nav.html
@@ -24,6 +24,9 @@
                 {% if perms.agenda_culturel.change_place %}
                 <li><a {% if current == "places" %}class="selected" {% endif %}href="{% url 'view_places' %}">Liste des lieux</a></li>
                 {% endif %}
+                {% if perms.agenda_culturel.change_place and perms.agenda_culturel.change_event %}
+                <li><a {% if current == "unknown_places" %}class="selected" {% endif %}href="{% url 'view_unknown_places' %}">Événements sans lieu</a>{% show_badge_unknown_places "left" %}</li>
+                {% endif %}
             </ul>
         </nav>
         {% if perms.agenda_culturel.view_batchimportation or perms.agenda_culturel.view_recurrentimport or perms.agenda_culturel.view_categorisationrule%}
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-flat-list-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-flat-list-inc.html
index f6a078a..4706714 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-flat-list-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-flat-list-inc.html
@@ -12,7 +12,7 @@
     </header>
     <p class="subentry-search"></p>
         {% picto_from_name "map-pin" %}
-    {% if event.location_hl %}{{ event.location_hl | safe }}{% else %}{{ event.location }}{% endif %}</p>
+    {% if event.location_hl %}{{ event.location_hl | safe }}{% else %}{% include "agenda_culturel/event-location-inc.html" with event=event %}{% endif %}</p>
     {% if event.has_recurrences %}
         <p class="subentry-search">
         {% picto_from_name "repeat" %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-by-day-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-by-day-inc.html
index dfb4d26..adc02ad 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-by-day-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-by-day-inc.html
@@ -21,14 +21,14 @@
     {% endif %}
 
     {{ event.category | small_cat_recurrent:event.has_recurrences }}
-    {% if event.location %}<hgroup>{% endif %}
+    {% if event.location or event.exact_location %}<hgroup>{% endif %}
             <h3>
             {{ event|picto_status }}    
             <a href="{{ event.get_absolute_url }}">{{ event.title }}</a></h3>
-    {% if event.location %}
+    {% if event.location or event.exact_location %}
     <h4>
         {% picto_from_name "map-pin" %}
-        {{ event.location }}
+        {% include "agenda_culturel/event-location-inc.html" with event=event %}
         </h4>
     </hgroup>
     {% endif %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-inc.html
index ce8bb1f..89b4666 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-inc.html
@@ -8,16 +8,16 @@
     {% include "agenda_culturel/ephemeris-inc.html" with event=event filter=filter %}
 
     {{ event.category | small_cat_recurrent:event.has_recurrences }}
-    {% if event.location %}<hgroup>{% endif %}
+    {% if event.location or event.exact_location %}<hgroup>{% endif %}
             <h2>
             {{ event|picto_status }}    
             <a href="{{ event.get_absolute_url }}">{{ event.title }}</a>
         </h2>
-    {% if event.location %}
+    {% if event.location or event.exact_location %}
     <h3>
         {% picto_from_name "map-pin" %}
 
-        {{ event.location }}
+        {% include "agenda_culturel/event-location-inc.html" with event=event %}
     </h3>
     </hgroup>
     {% endif %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-unknown-place-list-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-unknown-place-list-inc.html
new file mode 100644
index 0000000..852a1b4
--- /dev/null
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-unknown-place-list-inc.html
@@ -0,0 +1,46 @@
+{% load utils_extra %}
+{% load cat_extra %}
+{% load event_extra %}
+
+<header>
+    <div class="slide-buttons">
+        <div class="buttons">
+            <a href="{% url 'add_place_to_event' event.pk %}" role="button">Ajouter le lieu {% picto_from_name "map-pin" %}</a>
+        </div>
+    </div>
+
+
+    {{ event.category | small_cat_recurrent:event.has_recurrences }} 
+    {{ event|picto_status }}
+     <a href="{{ event.get_absolute_url }}">
+        {{ event.title }}</a></p>
+        {% picto_from_name "map-pin" %}
+        {% include "agenda_culturel/event-location-inc.html" with event=event %}
+    </header>
+    <p>{% picto_from_name "calendar" %}
+        {% if event.end_day and event.end_day != event.start_day %}du{% else %}le{% endif %}
+        {% include "agenda_culturel/date-times-inc.html" with event=event %}
+    {% if event.has_recurrences %}
+        <p>
+        {% picto_from_name "repeat" %}
+        <!-- TODO: see https://forge.chapril.org/jmtrivial/agenda_culturel/issues/65 -->
+        {% for r in event.recurrences.rrules %}
+        {{ r.to_text }}{% if not forloop.first %}, {% endif %}{% endfor %}, depuis le 
+        {% if event.recurrences.dtstart.date %}
+        {{ event.recurrences.dtstart.date }}
+        {% else %}
+        {{ event.start_day }}
+        {% endif %}
+        </p>
+    {% endif %}
+    <p>
+        {% picto_from_name "tag" %}
+        {% for tag in event.tags %}
+        <a href="{% url 'view_tag' tag %}">{{ tag }}</a>
+        {% if not forloop.last %}, {% endif %}
+        {% endfor %}
+    </p>
+    <div class="description">
+        {% if event.description %}{{ event.description |truncatewords:60 }}{% else %}<em>pas de description</em>{% endif %}
+
+    </div>
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-modal-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-modal-inc.html
index 57f1261..5eeac81 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-modal-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-modal-inc.html
@@ -15,7 +15,7 @@
         
             <p>
                 {% picto_from_name "map-pin" %}
-                {{ event.location }}
+                {% include "agenda_culturel/event-location-inc.html" with event=event nolink=1 %}
             </p>
             <p>
                 {% picto_from_name "calendar" %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
index d8b8702..fe179b6 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
@@ -16,7 +16,7 @@
         </p>
         <p>
             {% picto_from_name "map-pin" %}
-            {{ event.location }}
+            {% include "agenda_culturel/event-location-inc.html" with event=event %}
         </p>
     </header>
 
diff --git a/src/agenda_culturel/templates/location_field/map_widget.html b/src/agenda_culturel/templates/location_field/map_widget.html
index b5ffadc..1ab9dc2 100644
--- a/src/agenda_culturel/templates/location_field/map_widget.html
+++ b/src/agenda_culturel/templates/location_field/map_widget.html
@@ -1,12 +1 @@
-<div class="grid">
-    <div>
-        {{field_input}}
-    </div>
-    <div>
-        <div class="map-widget" style="margin-top: 4px">
-            <label></label>
-
-            <div id="map_{{field_name}}" style="width: 100%; aspect-ratio: 16/9"></div>
-        </div>
-    </div>
-</div>
+{{field_input}}
diff --git a/src/agenda_culturel/templatetags/event_extra.py b/src/agenda_culturel/templatetags/event_extra.py
index fc07f1e..d4ff22c 100644
--- a/src/agenda_culturel/templatetags/event_extra.py
+++ b/src/agenda_culturel/templatetags/event_extra.py
@@ -50,7 +50,16 @@ def show_badges_events(placement="top"):
         return mark_safe('<a href="' + reverse_lazy("moderation") + '?status=draft" class="badge" data-placement="' + placement + '" data-tooltip="' + str(nb_drafts) + ' brouillon' + pluralize(nb_drafts) + ' à valider">' + picto_from_name("calendar") + " " + str(nb_drafts) + '</a>')
     else:
         return ""
-    
+
+@register.simple_tag
+def show_badge_unknown_places(placement="top"):
+    nb_unknown = Event.objects.filter(exact_location__isnull=True).count()
+    if nb_unknown != 0:
+        return mark_safe('<a href="' + reverse_lazy("view_unknown_places") + '" class="badge" data-placement="' + placement + '" data-tooltip="' + str(nb_unknown) + ' événement' + pluralize(nb_unknown) + ' sans lieu défini">' + picto_from_name("map-pin") + " " + str(nb_unknown) + '</a>')
+    else:
+        return ""
+
+
 @register.simple_tag
 def event_field_verbose_name(the_field):
     return Event._meta.get_field(the_field).verbose_name
diff --git a/src/agenda_culturel/urls.py b/src/agenda_culturel/urls.py
index 75d3537..b4ed79f 100644
--- a/src/agenda_culturel/urls.py
+++ b/src/agenda_culturel/urls.py
@@ -72,6 +72,11 @@ urlpatterns = [
     path("place/<int:pk>/delete", PlaceDeleteView.as_view(), name="delete_place"),
     path("places/", PlaceListView.as_view(), name="view_places"),
     path("places/add", PlaceCreateView.as_view(), name="add_place"),
+    path("places/add/<int:pk>", PlaceFromEventCreateView.as_view(), name="add_place_from_event"),
+    path("events/unknown-places", UnknownPlacesListView.as_view(), name="view_unknown_places"),
+    path("events/unknown-places/fix", fix_unknown_places, name="fix_unknown_places"),
+    path("event/<int:pk>/addplace", UnknownPlaceAddView.as_view(), name="add_place_to_event"),
+
 ]
 
 if settings.DEBUG:
diff --git a/src/agenda_culturel/views.py b/src/agenda_culturel/views.py
index 259600f..d268888 100644
--- a/src/agenda_culturel/views.py
+++ b/src/agenda_culturel/views.py
@@ -12,7 +12,7 @@ from django.urls import reverse
 import urllib
 from collections import Counter
 
-from .forms import EventSubmissionForm, EventForm, BatchImportationForm, FixDuplicates, SelectEventInList, MergeDuplicates, RecurrentImportForm, CategorisationRuleImportForm, ModerationQuestionForm, ModerationAnswerForm, ModerateForm, CategorisationForm
+from .forms import EventSubmissionForm, EventForm, BatchImportationForm, FixDuplicates, SelectEventInList, MergeDuplicates, RecurrentImportForm, CategorisationRuleImportForm, ModerationQuestionForm, ModerationAnswerForm, ModerateForm, CategorisationForm, EventAddPlaceForm, PlaceForm
 
 from .models import Event, Category, StaticContent, ContactMessage, BatchImportation, DuplicatedEvents, RecurrentImport, CategorisationRule, remove_accents, ModerationQuestion, ModerationAnswer, Place
 from django.utils import timezone
@@ -94,6 +94,11 @@ class EventFilter(django_filters.FilterSet):
         queryset=Category.objects.all(), 
         widget=CategoryCheckboxSelectMultiple)
 
+    city = django_filters.MultipleChoiceFilter(label="Filtrer par ville",
+        field_name='exact_location__city',
+        choices=[(p["city"], p["city"]) for p in Place.objects.values("city").distinct().order_by("city")],
+        widget=forms.CheckboxSelectMultiple)
+
     status = django_filters.MultipleChoiceFilter(label="Filtrer par status",
         choices=Event.STATUS.choices,
         field_name="status", 
@@ -102,7 +107,7 @@ class EventFilter(django_filters.FilterSet):
 
     class Meta:
         model = Event
-        fields = ["category", "tags", "exclude_tags", "status", "recurrences"]
+        fields = ["category", "city", "tags", "exclude_tags", "status", "recurrences"]
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -136,6 +141,9 @@ class EventFilter(django_filters.FilterSet):
     def get_status(self):
         return self.form.cleaned_data["status"]
 
+    def get_cities(self):
+        return self.form.cleaned_data["city"]
+
     def get_status_names(self):
         if "status" in self.form.cleaned_data:
             return [dict(Event.STATUS.choices)[s] for s in self.form.cleaned_data["status"]]
@@ -158,7 +166,7 @@ class EventFilter(django_filters.FilterSet):
         else:
             if "status" in self.form.cleaned_data and len(self.form.cleaned_data["status"]) != 0:
                 return True
-            return len(self.form.cleaned_data["category"]) != 0 or len(self.form.cleaned_data["tags"]) != 0 or len(self.form.cleaned_data["exclude_tags"]) != 0 or len(self.form.cleaned_data["recurrences"]) != 0
+            return len(self.form.cleaned_data["category"]) != 0 or len(self.form.cleaned_data["tags"]) != 0 or len(self.form.cleaned_data["exclude_tags"]) != 0 or len(self.form.cleaned_data["recurrences"]) != 0 or len(self.form.cleaned_data["city"]) != 0
 
     def is_selected(self, cat):
         return cat in self.form.cleaned_data["category"]
@@ -1081,22 +1089,138 @@ class ModerationAnswerDeleteView(PermissionRequiredMixin, DeleteView):
 
 class PlaceListView(ListView):
     model = Place
+    paginate_by = 10
+    ordering = ['-pk']
 
-class PlaceDetailView(PermissionRequiredMixin, DetailView):
-    model = Place
-    permission_required = ("agenda_culturel.view_place")
 
-class PlaceUpdateView(PermissionRequiredMixin, UpdateView):
+class PlaceDetailView(DetailView):
+    model = Place
+
+class UpdatePlaces:
+    def form_valid(self, form):
+        result = super().form_valid(form)
+        p = form.instance
+
+        if not hasattr(self, "nb_applied"):
+            self.nb_applied = 0
+        
+        # if required, find all matching events
+        if form.apply():
+            u_events = Event.objects.filter(exact_location__isnull=True)
+
+            to_be_updated = []
+            # try to find matches
+            for ue in u_events:
+                if p.match(ue):
+                    ue.exact_location = p
+                    to_be_updated.append(ue)
+                    continue
+            # update events with a location
+            Event.objects.bulk_update(to_be_updated, fields=["exact_location"])
+            self.nb_applied += len(to_be_updated)
+
+        if self.nb_applied > 1:
+            messages.success(self.request, _("{} events have been updated.").format(self.nb_applied))
+        elif self.nb_applied == 1:
+            messages.success(self.request, _("1 event has been updated."))
+        else:
+            messages.info(self.request, _("No events have been modified."))
+        return result
+
+
+
+class PlaceUpdateView(UpdatePlaces, PermissionRequiredMixin, SuccessMessageMixin, UpdateView):
     model = Place
-    fields = '__all__'
     permission_required = ("agenda_culturel.change_place")
+    success_message = _('The place has been successfully updated.')
+    form_class = PlaceForm
 
-class PlaceCreateView(PermissionRequiredMixin, SuccessMessageMixin, CreateView):
+
+class PlaceCreateView(UpdatePlaces, PermissionRequiredMixin, SuccessMessageMixin, CreateView):
     model = Place
     permission_required = ("agenda_culturel.add_place")
+    success_message = _('The place has been successfully created.')
+    form_class = PlaceForm
     
 
 class PlaceDeleteView(PermissionRequiredMixin, DeleteView):
     model = Place
     permission_required = ("agenda_culturel.delete_place")
+    success_url = reverse_lazy('view_places')
+
+class UnknownPlacesListView(PermissionRequiredMixin, ListView):
+    model = Event
+    permission_required = ("agenda_culturel.add_place")
+    paginate_by = 10
+    template_name = 'agenda_culturel/place_unknown_list.html'
+    queryset = Event.objects.filter(exact_location__isnull=True)
+
+def fix_unknown_places(request):
+    # get all places
+    places = Place.objects.all()
+    # get all events without exact location
+    u_events = Event.objects.filter(exact_location__isnull=True)
+
+    to_be_updated = []
+    # try to find matches
+    for ue in u_events:
+        for p in places:
+            if p.match(ue):
+                ue.exact_location = p
+                to_be_updated.append(ue)
+                continue
+    # update events with a location
+    Event.objects.bulk_update(to_be_updated, fields=["exact_location"])
+    
+    # create a success message
+    nb = len(to_be_updated)
+    if nb > 1:
+        messages.success(request, _("{} events have been updated.").format(nb))
+    elif nb == 1:
+        messages.success(request, _("1 event has been updated."))
+    else:
+        messages.info(request, _("No events have been modified."))
+
+    # come back to the list of places
+    return HttpResponseRedirect(reverse_lazy("view_unknown_places"))
+    
+
+class UnknownPlaceAddView(PermissionRequiredMixin, SuccessMessageMixin, UpdateView):
+    model = Event
+    permission_required = ("agenda_culturel.change_place", "agenda_culturel.change_event")
+    form_class = EventAddPlaceForm
+    template_name = 'agenda_culturel/place_unknown_form.html'
+
+    def form_valid(self, form):
+        self.modified_event = form.modified_event()
+        return super().form_valid(form)
+
+    def get_success_message(self, cleaned_data):
+        msg = ""
+        if cleaned_data.get("place"):
+            msg += _('The selected place has been assigned to the event. ') 
+        if cleaned_data.get('add_alias'):
+            msg += _('A new alias has been added to the selected place. ') 
+        return msg
+
+    def get_success_url(self):
+        if self.modified_event:
+            return reverse_lazy('view_unknown_places')
+        else:
+            return reverse_lazy('add_place_from_event', args=[self.object.pk])
+
+
+class PlaceFromEventCreateView(PlaceCreateView):
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context["event"] = self.event
+        return context
+
+    def get_initial(self, *args, **kwargs):
+        initial = super().get_initial(**kwargs)
+        self.event = get_object_or_404(Event, pk=self.kwargs['pk'])
+        if self.event.location:
+            initial['aliases'] = [self.event.location]
+        return initial