Changji Hui Autonomous Prefecture (Chinese: 昌吉回族自治州; Chinese: 昌吉回族自治州; pinyin: Chāngjí Huízú Zìzhìzhōu), Uyghur: سانجى خۇيزۇ ئاپتونوم ئوبلاستى, Санҗи Хуизу Аптоном Области, ULY: Sanji Huyzu Aptonom Oblasti, UYY: Sanji Xuizu Aptonom Oblasti, Xiao'erjing: ﭼْﺎ جِ ﺧُﻮِ ذُﻮْ ذِ جِ ﺟِﻮْ) is an autonomous prefecture of Xinjiang in the China. It is located in the northeastern part of Xinjiang. The prefecture has an area of 77,129 km2 (29,780 sq mi) and its seat is Changji City.