- Category: Populated Place
- Type: Village
- Latitude/Longitude: 52°30'51"N 3°58'53"W
- Eastings/Northings: 265633, 292559
- OS Grid: SN656925
- Mapcode Local: GBR 8X.GLBJ
- Mapcode Global: VH4F0.X2ZC
Location and coordinates are for the approximate centre of Tre'r-ddôl within this administrative area.
Geographic features and populated places may cross administrative borders.