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.
Zhangjiachuan Hui Autonomous County belongs to Tianshui City, Gansu Province, located in the southeast of Gansu Province, northeast of Tianshui City, bordered by Longxian County, Shaanxi Province in the east, Qingshui County in the south, Qinan County in the west, and Huating and Zhuanglang counties in the north. With a total area of 1311.8 square kilometers (2010) and a population of 332496 (2011), e-commerce has entered the rural comprehensive demonstration county. In 2011, Zhangjiachuan achieved a GDP of 1.76576 billion yuan. Zhangjiachuan Hui Autonomous County has Guanshan Qinjiayuan scenery, wheat accumulation, Huaguoshan Shuiliang Cave and other famous scenic spots. In December 2019, Lintan County won the seventh batch of national unity and progress demonstration areas (units).