- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°27'9"N 3°10'9"W
- Eastings/Northings: 318846, 173274
- OS Grid: ST188732
- Mapcode Local: GBR KLY.97
- Mapcode Global: VH6FF.0RV9
Location and coordinates are for the approximate centre of Cardiff Bay within this administrative area.
Geographic features and populated places may cross administrative borders.