Country/territory: France
Central coordinates (latitude / longitude): 48°28'00"N (48.4667°) / 005°05'59"W (-5.1000°)
Area (reported): 294,058 hectares / 2,940.58 km² / 726,633 acres / 1,135.36 square miles
Area (GIS-derived): 294,249 hectares / 2,942.49 km² / 727,105 acres / 1,136.10 square miles
Altitude: 0–32 m (0–105 ft)