Country/territory: Japan
Central coordinates (latitude / longitude): 24°19'59"N (24.3333°) / 123°49'59"E (123.8333°)
Area (reported): 58,345 hectares / 583.45 km² / 144,174 acres / 225.27 square miles
Area (GIS-derived): 58,837 hectares / 588.37 km² / 145,389 acres / 227.17 square miles
Altitude: 0–526 m (0–1,725 ft)