- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 52°50'48"N 4°39'20"W
- Eastings/Northings: 221250, 331000
- OS Grid: SH212310
- Mapcode Local: GBR 50.SPJ2
- Mapcode Global: WH33G.GP6Z
Location and coordinates are for the approximate centre of Pen-y-groeslon within this administrative area.
Geographic features and populated places may cross administrative borders.