Yili Kazakh Autonomous Prefecture is a prefecture at sub- provincial level. Ili, Tacheng, and Altay are the under special jurisdiction of Ili Kazakh Autonomous Prefecture. Two districts are Altay and Tacheng, two cities are Yili and Kuntun cities, and seven countires are Yili county, Huocheng county, Gongliu County, Xinyuan County, Zhaosu County, Tekes County, Nilka County, and one autonomous county is Qapqal Xibe Autnomous County.
Yili is the capital city of Yili Kazakh Autonomous Prefecture. It is the administrative, economic, and cultural center of Ili Kazakh Autonomous Prefecture.
Ili Autonomous Prefecture belongs to continental climate zone. Weather featured as a mild and humid with short summer and long winter. There is a weather difference between the areas. There is a huge difference between the weather during the day and night.
The annual average temperature is 10.4 ℃ , highest temperature reaches as high as 42.8 ℃ and lowest temperature reaches to as low as -51.0 ℃ with annual rainfall of 417.6 mm, with average sunshine hours of 2898.4 hours.