Changji Hui Autonomous Prefecture, referred to as "Changji Prefecture", is an autonomous prefecture under the jurisdiction of Xinjiang Uygur Autonomous Region, with its capital in changji city. Located at the northern foot of Tianshan Mountain and the southeast edge of Junggar Basin, the terrain is high in the south and low in the north, and inclines from southeast to northwest. It belongs to temperate zone and has a typical continental arid climate. The total area is 73,900 square kilometers.