Country/territory: United Kingdom
Central coordinates (latitude / longitude): 54°54'13"N (54.9037°) / 003°29'13"W (-3.4870°)
Area (reported): 45,480 hectares / 454.80 km² / 112,384 acres / 175.60 square miles
Area (GIS-derived): 45,592 hectares / 455.92 km² / 112,660 acres / 176.03 square miles
Altitude: 0–45 m (0–148 ft)