Country/territory: Japan
Central coordinates (latitude / longitude): 43°34'59"N (43.5833°) / 143°00'00"E (143.0000°)
Area (reported): 478,000 hectares / 4,780.00 km² / 1,181,164 acres / 1,845.57 square miles
Area (GIS-derived): 478,111 hectares / 4,781.11 km² / 1,181,438 acres / 1,846.00 square miles
Altitude: 200–2290 m (656–7,512 ft)