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.
Honggu District belongs to Lanzhou City, Gansu Province, located in the far suburbs of Lanzhou City, located in the middle of Gansu Province, was established in 1960, named because of the Honggu River east of Xiangtang Gorge, the geographical coordinates are 102 °50mm east longitude 102 °54' and 36 °19mm Met 36 °21' north, Xigu District to the east, Datong River to the west, Huangshui River to the south and Qinghai Minhe Hui Autonomous County and Yongjing County to the south, the loess mountains in the north adjoining Yongdeng County. It is located in the geometric center of the two provincial capitals of Lanzhou and Xining. In 2014, Honggu District has a total area of 567.66 square kilometers, with a total population of 150000 (2014), and has jurisdiction over three streets, three towns and one township. In 2014, Honggu District achieved a GDP of 10.528 billion yuan, an increase of 15.5% over 2013.