- Category: Populated Place
- Type: Village
- Latitude/Longitude: 51°38'36"N 2°45'9"W
- Eastings/Northings: 348020, 194118
- OS Grid: ST480941
- Mapcode Local: GBR JJ.7LBD
- Mapcode Global: VH87L.7YPJ
Location and coordinates are for the approximate centre of Mynydd-bach within this administrative area.
Geographic features and populated places may cross administrative borders.