- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 51°56'59"N 3°49'38"W
- Eastings/Northings: 274500, 229500
- OS Grid: SN745295
- Mapcode Local: GBR Y3.M78G
- Mapcode Global: VH4HT.L8X4
Location and coordinates are for the approximate centre of Cilgwyn within this administrative area.
Geographic features and populated places may cross administrative borders.