- Category: Populated Place
- Type: Suburban Area
- Latitude/Longitude: 51°40'38"N 3°55'0"W
- Eastings/Northings: 267568, 199370
- OS Grid: SS675993
- Mapcode Local: GBR GZ.56ZK
- Mapcode Global: VH4K4.237D
Location and coordinates are for the approximate centre of Llanlleian-wen within this administrative area.
Geographic features and populated places may cross administrative borders.