- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 50°26'10"N 4°51'10"W
- Eastings/Northings: 197500, 63500
- OS Grid: SW975635
- Mapcode Local: GBR ZT.GLKN
- Mapcode Global: FRA 07QW.WQT
Location and coordinates are for the approximate centre of Demelza within this administrative area.
Geographic features and populated places may cross administrative borders.