- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°37'54"N 3°14'6"W
- Eastings/Northings: 316500, 304500
- OS Grid: SJ165045
- Mapcode Local: GBR 9W.7B4V
- Mapcode Global: WH79V.83PQ
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.