- Category: Populated Place
- Type: Village
- Latitude/Longitude: 52°50'48"N 3°10'30"W
- Eastings/Northings: 320954, 328340
- OS Grid: SJ209283
- Mapcode Local: GBR 6Y.SP79
- Mapcode Global: WH78Q.6Q80
Location and coordinates are for the approximate centre of Llansilin within this administrative area.
Geographic features and populated places may cross administrative borders.