Aksu region is one of the five regions in Xinjiang Uygur Autonomous Region, located in Aksu city. Located in the middle of Xinjiang Uygur Autonomous Region, at the southern foot of the Middle Tianshan Mountains, in the north of Tarim Basin, it is adjacent to Bayinguoleng Mongolian Autonomous Prefecture in the east, Kizilsu Kirgiz Autonomous Prefecture in the west, Kashgar in the southwest, Hotan in the south, Yili Autonomous Prefecture in the north, and Kyrgyzstan and Kazakhstan in the northwest by Tianshan Zhongliang. Total area 132500 square kilometers, accounting for 8% of Xinjiang's area.