Country/territory: North Korea
Central coordinates (latitude / longitude): 38°34'59"N (38.5833°) / 125°07'00"E (125.1167°)
Area (reported): 3,500 hectares / 35.00 km² / 8,649 acres / 13.51 square miles
Area (GIS-derived): 3,111 hectares / 31.11 km² / 7,687 acres / 12.01 square miles
Altitude: 1–10 m (3–33 ft)