Changji Hui Autonomous Prefecture

Changji directly controls 2 county-level cities, 4 counties and 1 autonomous county.

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Changji (city) Fukang (city) Hutubi County Manas County Qitai County Jimsar County Mori County
Name	Hanzi	Hanyu Pinyin	Xiao'erjing	Uyghur (UEY)	Uyghur Latin (ULY)	Population (2020 Census)	Area (km2)	Density (/km2)
Changji City	昌吉市	Chāngjí Shì	چَانْ‌ݣِ شِ‎	سانجى شەھىرى	Sanji Shehiri	607,441	7,971	76.2
Fukang City	阜康市	Fùkāng Shì	فُ‌کَانْ شِ‎	فۇكاڭ شەھىرى	Fukang Shehiri	181,144	8,529	21.24
Hutubi County	呼图壁县	Hūtúbì Xiàn	خُ‌تُ‌بِ ثِیًا‎	قۇتۇبى ناھىيىسى	Qutubi Nahiyisi	192,638	9,518	20.24
Manas County	玛纳斯县	Mǎnàsī Xiàn	مَانَاسِ ثِیًا‎	ماناس ناھىيىسى	Manas Nahiyisi	192,098	9,171	20.95
Qitai County	奇台县	Qítái Xiàn	کِ‌تَیْ ثِیًا‎	گۇچۇڭ ناھىيىسى	Guchung Nahiyisi	219,811	16,645	13.21
Jimsar County	吉木萨尔县	Jímùsà'ěr Xiàn	ݣِ‌مُ‌سَاعَر ثِیًا‎	جىمىسار ناھىيىسى	Jimisar Nahiyisi	153,197	8,141	18.82
Mori Kazakh Autonomous County	木垒哈萨克自治县	Mùlěi Hāsàkè Zìzhìxiàn	مُ‌لُوِ خَاسَاکْ زِجِ‌ثِیًا‎	مورى قازاق ئاپتونوم ناھىيىسى	Mori Qazaq Aptonom Nahiyisi	67,256	13,510	4.98

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• Defunct: Miquan (county-level city)

During the Western Han dynasty, the region belonged to the Rear Cheshi Kingdom, one of the Western Regions states. In 102 BCE, the Han established control through the Protectorate of the Western Regions, and by 60 BCE formally instituted the Protectorate headquartered at Beiting (modern Jimsar County), which lasted for over 400 years.^[4]

Between the 3rd and 6th centuries CE, nomadic powers such as the Gaoche, Rouran, and Turkic tribes governed this area.^[5]

In 640 CE (Tang Zhenguan 14), the Tang dynasty created Ting Prefecture over the region, and in 702 CE (Chang'an 2, under Wu Zetian) elevated it to the Beiting Protectorate, covering areas north of the Tianshan and south of Lake Balkhash.^[4]

From 1954 to 2007, administrative changes included the founding of the Changji Hui Autonomous Prefecture, incorporation of surrounding counties, and adjustments such as merging Miquan into Ürümqi and establishing Midong District.^[6]

According to the 2010 census, Changji had a population of 1,428,587 inhabitants, with a population density of 19.4 inhabitants per km². Its population in the 2000 census was 1,503,097. Part of the change in population is due to boundary changes, for example, the formerly county-level city Miquan was merged into Midong District and became part of Ürümqi in 2007. The population in 2000 minus Miquan was 1,322,145.^[7]

Changji Hui Autonomous Prefecture features a terrain that is high in the south and low in the north, sloping from southeast to northwest. The southern part lies in the Tianshan Mountains, the central region is a vast alluvial plain, and the north is dominated by the Gurbantünggüt Desert Basin. This region is known as the "Northern Slope of the Tianshan Mountains" and includes the Beita Mountain range in the east—an east–west extension of the Tianshan and north-south Altay ranges.^[10]

It can be classified into four geomorphological units: the Tianshan mountain system, tilted alluvial plain, desert basin, and Beita Mountain system. The Tianshan Mountains run east–west through central Xinjiang, dividing Xinjiang into southern and northern regions. The central plain—formed by fluvial and alluvial processes—supports fertile oasis agriculture. To the north lies the Junggar Basin and the Gurbantünggüt Desert. Beita Mountain, a southern spur of the Altay Mountains, forms the northeastern margin of the prefecture.^[10]

Surface water includes glaciers, snowmelt, rivers, springs, lakes, reservoirs, and irrigation channels. Glaciers and perennial snow cover mirror altitudes above 3,800 m—present in all counties except Mulei, serving as “natural reservoirs” for runoff.^[11] The basin's rivers are short and reliant on mountain sources; most do not reach the sea, except the Manas River, which terminates in Manas Lake. Notable lakes include Tianchi in the Tian Shan range and Dongdaohaizi on the desert fringe of Mìquan County.^[12]

Changji's climate is temperate continental arid, characterized by cold winters, hot summers, and large diurnal temperature variations. Due to elevation differences, precipitation increases from north to south. The northern desert exhibits strong arid characteristics. Annual sunshine totals around 2,700 hours, and average precipitation is approximately 190 mm, with most rainfall occurring in summer. The frost-free period spans 160–190 days per year.^[10]

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