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.
Dangtu County, which belongs to Maanshan City, Anhui Province, is located in the east of Anhui Province and the east bank of the lower reaches of the Yangtze River. It is bordered by Bowang District and Shijiu Lake to the east, Lishui District and Gaochun District in Nanjing City, Jiangsu Province to the east, the Yangtze River to the west, across the river to Hexian County, Wuhu County and Xuancheng City to the south, and Yushan District to the north. Dangtu County has a history of more than 2200 years. Danyang County was established in the Qin Dynasty, and it was named Dangtu in the ninth year of Sui Kaihuang (589). In history, the county seat was the seat of Taiping Prefecture in Song Dynasty, Taiping Mansion in Ming and Qing dynasties, Yangtze River navigator in Qing Dynasty and Anhui Science and Government Office. Since the Qin Dynasty, it has attracted more than 600 poets to leave more than 1000 popular poems here. Xie Kui, a great poet of the Southern Dynasty, called it "the capital of mountains and rivers". The poem fairy Li Bai visited Dangtu seven times and wrote 56 unique poems such as "Wangtianmen Mountain".