Country/territory: South Korea
Central coordinates (latitude / longitude): 38°28'00"N (38.4667°) / 128°25'59"E (128.4333°)
Area (reported): 182 hectares / 1.82 km² / 450 acres / 0.70 square miles
Area (GIS-derived): 213 hectares / 2.13 km² / 526 acres / 0.82 square miles
Altitude: 0–10 m (0–33 ft)