Memphis is a city in the U.S. state of Tennessee. It is the seat of Shelby County in the southwest part of the state; it is situated along the Mississippi River. With a population of 633,104 at the 2020 U.S. census, Memphis is the second-most populous city in Tennessee, after Nashville.
Memphis is the fifth-most populous city in the Southeast, the nation's 28th-largest overall, as well as the largest city bordering the Mississippi River. The Memphis metropolitan area includes West Tennessee and the greater Mid-South region, which includes portions of neighboring Arkansas, Mississippi and the Missouri Bootheel. One of the more historic and culturally significant cities of the Southern United States, Memphis has a wide variety of landscapes and distinct neighborhoods.
Linxia County, which belongs to Linxia Hui Autonomous Prefecture, Gansu Province, is located in the central part of Gansu Province, southwest of Linxia Prefecture, bordering Linxia City, Dongxiang County and Hezheng County in the east, Gannan Cooperative City and Xiahe County in the south, Xunhua County in Qinghai Province in the west, Jishishan County in the northwest, and Yongjing County in the north across the river. The county is 53.1km wide from east to west and 59.85km from north to south, with a total area of 1212.4 square kilometers. It has jurisdiction over 6 towns, 19 townships and 2 ethnic townships, with a total of 219 administrative villages, 2101 villagers' groups, 2 neighborhood committees and 11 resident groups. The total population of the county is 386900 (2011), including Han nationality, Hui nationality, Dongxiang nationality,