- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 51°59'1"N 3°24'58"W
- Eastings/Northings: 302837, 232644
- OS Grid: SO028326
- Mapcode Local: GBR YN.K18R
- Mapcode Global: VH6BR.QDTN
Location and coordinates are for the approximate centre of Sarnau within this administrative area.
Geographic features and populated places may cross administrative borders.