- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 51°41'27"N 4°14'11"W
- Eastings/Northings: 245500, 201500
- OS Grid: SN455015
- Mapcode Local: GBR GR.CDLD
- Mapcode Global: VH3M9.JR4L
Location and coordinates are for the approximate centre of Llettyrychen within this administrative area.
Geographic features and populated places may cross administrative borders.