- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 52°24'0"N 3°1'22"W
- Eastings/Northings: 330500, 278500
- OS Grid: SO305785
- Mapcode Local: GBR B5.PVVK
- Mapcode Global: VH769.KX8Z
Location and coordinates are for the approximate centre of Pen-y-wern within this administrative area.
Geographic features and populated places may cross administrative borders.