Country/territory: France
Central coordinates (latitude / longitude): 50°52'00"N (50.8667°) / 001°34'59"E (1.5833°)
Area (reported): 8,950 hectares / 89.50 km² / 22,116 acres / 34.56 square miles
Area (GIS-derived): 8,978 hectares / 89.78 km² / 22,185 acres / 34.66 square miles
Altitude: 0–50 m (0–164 ft)