- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 50°1'49"N 5°14'1"W
- Eastings/Northings: 168500, 19500
- OS Grid: SW685195
- Mapcode Local: GBR Z3.T87R
- Mapcode Global: VH13J.7HGF
Location and coordinates are for the approximate centre of Trewoon within this administrative area.
Geographic features and populated places may cross administrative borders.