- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 50°8'51"N 5°32'8"W
- Eastings/Northings: 147500, 33500
- OS Grid: SW475335
- Mapcode Local: GBR DXQ9.15C
- Mapcode Global: VH12S.0KB4
Location and coordinates are for the approximate centre of Trezelah within this administrative area.
Geographic features and populated places may cross administrative borders.