diff --git a/views/res_partner.xml b/views/res_partner.xml
index c1bd3f71d540ef61a7ad402641b29f890a0df017..b549d9942de2becb2ea6095b387167b2ae357965 100644
--- a/views/res_partner.xml
+++ b/views/res_partner.xml
@@ -68,6 +68,11 @@
                         string="Sous collèges"
                         context="{'group_by': 'thematic_id'}"
                     />
+                    <filter
+                        name="group_region_id"
+                        string="Région implantation"
+                        context="{'group_by': 'region_id'}"
+                    />
                     <filter
                         name="group_action_area"
                         string="Échelle d'action"