diff --git a/resources/boundaries/osm/gb.yaml b/resources/boundaries/osm/gb.yaml
index 58c3ad65..56bf8e09 100644
--- a/resources/boundaries/osm/gb.yaml
+++ b/resources/boundaries/osm/gb.yaml
@@ -32,6 +32,8 @@
                 "57539": "city"
                 # Brighton and Hove
                 "114085": "city"
+                # Cardiff
+                "1625787": "city"
                 # Chelmsford
                 "176965": "city"
                 # Darlington