Country/territory: Poland
Central coordinates (latitude / longitude): 53°30'00"N (53.5000°) / 022°49'59"E (22.8333°)
Area (reported): 136,900 hectares / 1,369.00 km² / 338,287 acres / 528.57 square miles
Area (GIS-derived): 131,458 hectares / 1,314.58 km² / 324,840 acres / 507.56 square miles
Altitude: 100–125 m (328–410 ft)