- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 53°8'55"N 3°12'48"W
- Eastings/Northings: 318936, 361987
- OS Grid: SJ189619
- Mapcode Local: GBR 6W.5RWR
- Mapcode Global: WH77B.L3YW
Location and coordinates are for the approximate centre of Tafarn-y-Gelyn within this administrative area.
Geographic features and populated places may cross administrative borders.