- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°41'12"N 3°4'48"W
- Eastings/Northings: 327092, 310460
- OS Grid: SJ270104
- Mapcode Local: GBR B3.3SF1
- Mapcode Global: WH79J.NQJJ
Location and coordinates are for the approximate centre of Cefn within this administrative area.
Geographic features and populated places may cross administrative borders.