- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°35'17"N 2°59'55"W
- Eastings/Northings: 332427, 299403
- OS Grid: SO324994
- Mapcode Local: GBR B6.B2C4
- Mapcode Global: WH8C8.X64N
Location and coordinates are for the approximate centre of Black Marsh within this administrative area.
Geographic features and populated places may cross administrative borders.