Country/territory: China (mainland)
Central coordinates (latitude / longitude): 33°22'00"N (33.3667°) / 100°05'59"E (100.1000°)
Area (reported): 15,230,000 hectares / 152,300.00 km² / 37,634,145 acres / 58,803.33 square miles
Area (GIS-derived): 13,515,272 hectares / 135,152.72 km² / 33,396,960 acres / 52,182.74 square miles
Altitude: 3168–5338 m (10,392–17,510 ft)