- Category: Populated Place
- Type: Village
- Latitude/Longitude: 51°29'17"N 3°28'33"W
- Eastings/Northings: 297621, 177606
- OS Grid: SS976776
- Mapcode Local: GBR HJ.KJDL
- Mapcode Global: VH5HL.PVRL
Location and coordinates are for the approximate centre of Graig Penllyn within this administrative area.
Geographic features and populated places may cross administrative borders.