Datong Hui and Tu Autonomous County

Datong County 大通县 གསེར་ཁོག་རྫོང་།
Autonomous county
大通回族土族自治县 རྟ་ཐང་ཧུའེ་རིགས་ཧོར་རིགས་རང་སྐྱོང་རྫོང་། · دَاتْو خُوِذُو تُوذُو ذِجِشِیًا‎ · Daatun Hui szarbaten Mongghul szarbaten njeenaa daglagu xan Datong Hui and Tu Autonomous County
Looking west over Datong town from Mt Laoye
Location of the county (red) in Xining City (yellow) and Qinghai
Location of Datong
Country	China
Province	Qinghai
Prefecture-level city	Xining
Seat	Qiaotou Town
Area
• Total	3,090 km2 (1,190 sq mi)
Elevation	2,442 m (8,012 ft)
Population  (2020)
• Total	403,368
• Density	130/km2 (340/sq mi)
Time zone	UTC+8 (China Standard)

Datong Hui and Tu Autonomous County, Datong County, or Serkhog County (simplified Chinese: 大通回族土族自治县; traditional Chinese: 大通回族土族自治縣; pinyin: Dàtōng Huízú Tǔzú Zìzhìxiàn; Tibetan: རྟ་ཐང་ཧུའེ་རིགས་ཧོར་རིགས་རང་སྐྱོང་རྫོང; or more frequently Tibetan: གསེར་ཁོག་རྫོང; Monguor: Daatun Hui szarbaten Mongghul szarbaten njeenaa daglagu xan; Xiao'erjing: دَاتْو خُوِذُو تُوذُو ذِجِشِیًا‎) is an autonomous county of Hui and Tu peoples in Qinghai Province, China. It is under the administration of the prefecture-level city of Xining, the capital of Qinghai.^{[1][2][3][4][5]}

Since 2009, a folk music "Flower Festival" has been held annually in late July on "Mount Laoye" (2928 m) in Datong town.^[6]