Country/territory: Poland
Central coordinates (latitude / longitude): 53°31'59"N (53.5333°) / 020°45'00"E (20.7500°)
Area (reported): 116,100 hectares / 1,161.00 km² / 286,889 acres / 448.26 square miles
Area (GIS-derived): 106,225 hectares / 1,062.25 km² / 262,488 acres / 410.14 square miles
Altitude: 50–229 m (164–751 ft)