Bachu County (Chinese: 巴楚县), also transliterated from Uyghur as Maralbexi County[3][4] (Maralbeshi[5], Uyghur: مارالبېشى ناھىيىسى‎ ; Chinese: 玛热勒巴什县 or Chinese: 巴尔楚克县) the former long Chinese name as well, is located in the southwest of the Xinjiang Uyghur Autonomous Region of the People's Republic of China and is under the administration of the Kashgar Prefecture. It has an area of 18,491 km2 (7,139 sq mi), and surrounds, but does not administer, the sub-prefecture-level city of Tumxuk. According to the 2002 census, it has a population of 380,000.