- Category: Populated Place
- Type: Village
- Latitude/Longitude: 52°6'52"N 4°30'42"W
- Eastings/Northings: 228102, 249232
- OS Grid: SN281492
- Mapcode Local: GBR D5.8ZFS
- Mapcode Global: VH2MR.R32S
Location and coordinates are for the approximate centre of Tan-y-groes within this administrative area.
Geographic features and populated places may cross administrative borders.