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.
Nangqian County, which belongs to Yushu Prefecture, Qinghai Province, is located in longitude 95 °21 "58" ~ 97 °07 "0" east and latitude 31 °32 "20" ~ 32 °43 "46" north. It is adjacent to Haixi Mongolian Tibetan Autonomous Prefecture in the north, Guoluo Tibetan Autonomous Prefecture in the east, Ganzi Tibetan Autonomous Prefecture in Sichuan Province to the southeast, and Changdu in the Tibet Autonomous region to the south. The longest is 157.5 kilometers from east to west, and the widest from north to south is 130.5 kilometers, with a total area of 12741 square kilometers. In 2013, the total population of Nangqian County was 130000, including Tibetan, Han, Hui, Tu and other ethnic minorities. Nangqian County has gold, silver, copper, iron, lead, zinc, tin, gypsum, sulfur, limestone, coal, salt and other mineral resources. In 2013, the gross domestic product of Nangqian County reached 7.449 billion yuan.