diff --git a/lemarche/siaes/admin.py b/lemarche/siaes/admin.py
index ac2d91390..06d8f6c4b 100644
--- a/lemarche/siaes/admin.py
+++ b/lemarche/siaes/admin.py
@@ -686,7 +686,7 @@ class SiaeActivityAdmin(admin.ModelAdmin):
     search_fields = ["id", "siae__id", "siae__name"]
     search_help_text = "Cherche sur les champs : ID, Structure (ID, Nom)"
 
-    autocomplete_fields = ["siae"]
+    autocomplete_fields = ["siae", "sectors", "location"]
     readonly_fields = ["created_at", "updated_at"]
 
     def siae_with_link(self, siae_offer):
diff --git a/lemarche/siaes/migrations/0076_siaeactivity.py b/lemarche/siaes/migrations/0076_siaeactivity.py
index 2bb7e8895..8a9c3d80d 100644
--- a/lemarche/siaes/migrations/0076_siaeactivity.py
+++ b/lemarche/siaes/migrations/0076_siaeactivity.py
@@ -80,6 +80,17 @@ class Migration(migrations.Migration):
                         verbose_name="Structure",
                     ),
                 ),
+                (
+                    "location",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.DO_NOTHING,
+                        related_name="siae_activities_location",
+                        to="perimeters.perimeter",
+                        verbose_name="Localisation",
+                    ),
+                ),
             ],
             options={
                 "verbose_name": "Activité",
diff --git a/lemarche/siaes/models.py b/lemarche/siaes/models.py
index e2609025e..a684b297e 100644
--- a/lemarche/siaes/models.py
+++ b/lemarche/siaes/models.py
@@ -1408,6 +1408,14 @@ class SiaeActivity(models.Model):
         null=True,
         db_index=True,
     )
+    location: Perimeter = models.ForeignKey(
+        to="perimeters.Perimeter",
+        verbose_name="Localisation",
+        related_name="siae_activities_location",
+        on_delete=models.DO_NOTHING,
+        blank=True,
+        null=True,
+    )
     geo_range = models.CharField(
         verbose_name="Périmètre d'intervention",
         max_length=20,