- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 50°18'13"N 5°6'42"W
- Eastings/Northings: 178500, 49500
- OS Grid: SW785495
- Mapcode Local: GBR Z9.VY3N
- Mapcode Global: FRA 0857.BBP
Location and coordinates are for the approximate centre of Tresawsen within this administrative area.
Geographic features and populated places may cross administrative borders.