- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 53°12'29"N 3°41'10"W
- Eastings/Northings: 287477, 369227
- OS Grid: SH874692
- Mapcode Local: GBR 68.1YWR
- Mapcode Global: WH65L.BMWD
Location and coordinates are for the approximate centre of Tan-y-Graig within this administrative area.
Geographic features and populated places may cross administrative borders.