Datong Hui and Tu Autonomous County

Datong Hui and Tu Autonomous County, Datong County, or Serkhog County (or more frequently ; Monguor: Daatun Hui szarbaten Mongghul szarbaten njeenaa daglagu xan; Xiao'erjing: ) 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.

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

Subdivisions
Datong County is divided into 9 towns, 9 townships, and 2 ethnic townships:


 * Qiaotou Town (桥头镇)
 * Chengguan Town (城关镇)
 * Tar Town (塔尔镇)
 * Huangjiazhai Town (黄家寨镇)
 * Changning Town (长宁镇)
 * Jingyang Town (景阳镇)
 * Duolin Town (多林镇)
 * Xinzhuang Town (新庄镇)
 * Qinglin Township (青林乡)
 * Xunrang Township (逊让乡)
 * Jile Township (极乐乡)
 * Shishan Township (石山乡)
 * Baoku Township (宝库乡)
 * Xiegou Township (斜沟乡)
 * Liangjiao Township (良教乡)
 * Hualin Township (桦林乡)
 * Xangba Tibetan Ethnic Township (向化藏族乡, )
 * Shobê Tibetan Ethnic Township (朔北藏族乡, )

Transportation

 * China National Highway 227
 * Xining–Datong Expressway (Ningda Expressway)
 * Xining–Datong Railway (Ningda Railway, 宁大铁路), a 39-km long dead-end railway branch constructed in 1966-1968 and primarily serving a local coal mine. In the past, passenger service operated on the line, but ceased in 2008.
 * Lanzhou–Xinjiang High-Speed Railway (Datong West Station; 36.96617°N, 101.67205°W), opened in December 2014. Very limited service.