- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°55'21"N 4°14'24"W
- Eastings/Northings: 249500, 338500
- OS Grid: SH495385
- Mapcode Local: GBR 5K.MVWV
- Mapcode Global: WH44D.VS2P
Location and coordinates are for the approximate centre of Pen-y-bryn within this administrative area.
Geographic features and populated places may cross administrative borders.