- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 52°26'51"N 3°35'52"W
- Eastings/Northings: 291500, 284500
- OS Grid: SN915845
- Mapcode Local: GBR 9D.LYN2
- Mapcode Global: VH5BW.LQ9Z
Location and coordinates are for the approximate centre of Llwyn-derw within this administrative area.
Geographic features and populated places may cross administrative borders.