Country/territory: United Kingdom
Central coordinates (latitude / longitude): 54°28'54"N (54.4817°) / 005°34'59"W (-5.5832°)
Area (reported): 15,504 hectares / 155.04 km² / 38,311 acres / 59.86 square miles
Area (GIS-derived): 15,540 hectares / 155.40 km² / 38,400 acres / 60.00 square miles
Altitude: 0–10 m (0–33 ft)