Country/territory: United Kingdom
Central coordinates (latitude / longitude): 52°56'12"N (52.9367°) / 000°17'23"E (0.2900°)
Area (reported): 69,908 hectares / 699.08 km² / 172,746 acres / 269.92 square miles
Area (GIS-derived): 70,061 hectares / 700.61 km² / 173,124 acres / 270.51 square miles
Altitude: 0–6 m (0–20 ft)