Country/territory: France
Central coordinates (latitude / longitude): 49°19'59"N (49.3333°) / 001°15'00"W (-1.2500°)
Area (reported): 37,500 hectares / 375.00 km² / 92,665 acres / 144.79 square miles
Area (GIS-derived): 37,483 hectares / 374.83 km² / 92,622 acres / 144.72 square miles
Altitude: 0–7 m (0–23 ft)