Haixi Mongol and Tibetan Autonomous Prefecture
Autonomous Prefecture in Qinghai, China
Haixi Mongolian and Tibetan Autonomous Prefecture (Chinese: 海西蒙古族藏族自治州; Mongolian: ᠬᠠᠶᠢᠰᠢ ᠶᠢᠨ ᠮᠣᠩᠭᠣᠯ ᠲᠥᠪᠡᠳ ᠦᠨᠳᠦᠰᠦᠲᠡᠨ ᠦ ᠥᠪᠡᠷᠲᠡᠭᠡᠨ ᠵᠠᠰᠠᠬᠤ ᠵᠧᠦ; Tibetan: མཚོ་ནུབ་སོག་རིགས་ཆ་བོད་རིགས་རང་སྐྱོང་ཁུལ།), locally also known as Qaidam Prefecture (Mongolian: ᠴᠠᠢᠢᠳᠠᠮ; Tibetan: ཚྭ་འདམ།; Chinese: 柴达木), is an autonomous prefecture occupying much of the northern half of (as well as part of the southwest of) Qinghai Province, China. It has an area of 325,785 square kilometres (125,786 sq mi) and its seat is Delingha. The name of the prefecture literally means "west of (Qinghai) Lake."
Geladandong Mountain, the source of the Yangtze River, is located here.
History
After 1949, the People's Government of Dulan County was founded and the area was renamed Dulan Autonomous District (都兰自治区); in 1954, Dulan was renamed Haixi Mongol, Tibetan and Kazakh Autonomous District (海西蒙藏哈萨克族自治区) and in 1955, Haixi Mongol, Tibetan and Kazakh Autonomous Prefecture (海西蒙藏哈萨克族自治州). In 1963, it was renamed "海西蒙古族藏族哈萨克族自治州" (with the "Tibetan" added to the official county name). In 1985, after the Kazakhs had returned to Xinjiang, it was again renamed to Haixi Mongol and Tibetan Autonomous Prefecture.
Demographics
As of the 2017 census, Haixi had 515,200 inhabitants.
The following is a composition of ethnic groups in the prefecture, taken in the 2010 Census.
Subdivisions
Haixi directly governs 3 county-level cities and 3 counties.
The southwestern exclave of the Haixi Prefecture, separated from the rest of the prefecture by a "panhandle" of the Yushu Tibetan Autonomous Prefecture, is the Tanggula Town of Golmud City.
“Haixi Mongol and Tibetan Autonomous Prefecture” enters the record as autonomous Prefecture in Qinghai, China. Crown Archives preserves that source wording while asking what Haixi, Mongol and Tibetan can confirm, complicate or overturn.
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“Haixi Mongol and Tibetan Autonomous Prefecture” is worth following because a concise public description often conceals a longer documentary argument. Here, Haixi, Mongol and Tibetan provides the most credible route into that argument.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 28, 2026. The linked authority identifier is Q874334. VIAF identifies the subject as 168758162. The Library of Congress control number is nr97000284. Authority coordinates are 37.370, 97.373. 2 of 4 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1949, 1954, 1955 and 1963.
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This entry incorporates text from “Haixi Mongol and Tibetan Autonomous Prefecture” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.