diff --git a/resources/boundaries/osm/ar.yaml b/resources/boundaries/osm/ar.yaml
index de5ca963..fb2cc45d 100644
--- a/resources/boundaries/osm/ar.yaml
+++ b/resources/boundaries/osm/ar.yaml
@@ -1,10 +1,23 @@
 ---
-  admin_level: 
-    "2": "country"
-    "4": "state"
-    "5": "state_district"
-    "6": "state_district"
-    "7": "city"
-    "8": "city"
-    "9": "suburb"
+    admin_level: 
+        "2": "country"
+        "4": "state"
+        "5": "state_district"
+        "6": "state_district"
+        "7": "city"
+        "8": "city"
+        "9": "suburb"
+        "10": "suburb"
 
+    overrides:
+        contained_by:
+            relation:
+                # Buenos Aires
+                "1224652":
+                    admin_level:
+                        "5": "city_district"
+                        "9": "suburb"
+                # Rosario
+                "3594027":
+                    admin_level:
+                        "9": "city_district"