- Category: Populated Place
- Type: Village
- Latitude/Longitude: 49°53'30"N 6°20'46"W
- Eastings/Northings: 87952, 8138
- OS Grid: SV879081
- Mapcode Local: GBR BXQZ.1WX
- Mapcode Global: VGYC3.YZ98
Location and coordinates are for the approximate centre of St Agnes within this administrative area.
Geographic features and populated places may cross administrative borders.