Country/territory: South Korea
Central coordinates (latitude / longitude): 37°31'59"N (37.5333°) / 126°55'00"E (126.9167°)
Area (reported): 2,020 hectares / 20.20 km² / 4,992 acres / 7.80 square miles
Area (GIS-derived): 5,612 hectares / 56.12 km² / 13,868 acres / 21.67 square miles
Altitude: 10–20 m (33–66 ft)