- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 52°5'15"N 4°37'16"W
- Eastings/Northings: 220500, 246500
- OS Grid: SN205465
- Mapcode Local: GBR D1.BNC7
- Mapcode Global: VH2MP.VS7G
Location and coordinates are for the approximate centre of Treforgan within this administrative area.
Geographic features and populated places may cross administrative borders.