Country/territory: South Korea
Central coordinates (latitude / longitude): 37°16'59"N (37.2833°) / 126°45'00"E (126.7500°)
Area (reported): 5,650 hectares / 56.50 km² / 13,961 acres / 21.81 square miles
Area (GIS-derived): 13,369 hectares / 133.69 km² / 33,036 acres / 51.62 square miles
Altitude: 0–10 m (0–33 ft)