Country/territory: United Kingdom
Central coordinates (latitude / longitude): 58°22'58"N (58.3830°) / 004°04'28"W (-4.0745°)
Area (reported): 145,516 hectares / 1,455.16 km² / 359,578 acres / 561.84 square miles
Area (GIS-derived): 145,023 hectares / 1,450.23 km² / 358,360 acres / 559.94 square miles
Altitude: 0–476 m (0–1,561 ft)