The area of Gannan Tibetan Autonomous Prefecture is 40,898 square kilometers.
The area of Dêqên Tibetan Autonomous Prefecture is 23,870 square kilometers.
The area of Linxia Hui Autonomous Prefecture is 8,169 square kilometers.
The area of Chuxiong Yi Autonomous Prefecture is 29,256 square kilometers.
The area of Dali Bai Autonomous Prefecture is 29,459 square kilometers.
The area of Yanbian Korean Autonomous Prefecture is 43,509 square kilometers.
The area of Xishuangbanna Dai Autonomous Prefecture is 19,700 square kilometers.
The area of Nujiang Lisu Autonomous Prefecture is 14,703 square kilometers.
The headwaters of the Yangtze River are located in the Tibetan Plateau, specifically in the eastern part of Tibet, in the Yushu Tibetan Autonomous Prefecture of Qinghai Province. The river begins at the Geladaindong Peak and flows through various provinces before reaching the East China Sea. This region is characterized by its high elevation and diverse ecosystems.
The area of Dalaba Prefecture is 4,400 square kilometers.
The area of Forécariah Prefecture is 4,200 square kilometers.
The area of Lélouma Prefecture is 2,140 square kilometers.
The area of Mandiana Prefecture is 12,300 square kilometers.