- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 51°4'39"N 2°22'59"W
- Eastings/Northings: 373261, 131002
- OS Grid: ST732310
- Mapcode Local: GBR 0V4.BBT
- Mapcode Global: FRA 56W8.RD7
Location and coordinates are for the approximate centre of Southmarsh within this administrative area.
Geographic features and populated places may cross administrative borders.