Beitun (Chinese: 北屯; pinyin: Běitún) is a city in the north of Xinjiang, People's Republic of China. Administratively, it is a county-level city under the direct administration of the regional government, though it is geographically located in Altay Prefecture. Established on 28 December 2011, it is the youngest city of the PRC and covers an area of 910.5 square kilometres (351.5 sq mi) and has a population of 76,300. Its name comes from the accolade "中国最北的屯垦重地", meaning China's northernmost cultivation land. As a terminus of the Kuytun–Beitun Railway, it is an important transportation hub between Mongolia, northern Xinjiang, and Kazakhstan.