- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 51°39'3"N 2°50'58"W
- Eastings/Northings: 341325, 195031
- OS Grid: ST413950
- Mapcode Local: GBR JC.7CXJ
- Mapcode Global: VH7B2.KRFQ
Location and coordinates are for the approximate centre of Pen-y-cae-mawr within this administrative area.
Geographic features and populated places may cross administrative borders.