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.
Mianchi County, which belongs to Sanmenxia City, Henan Province, is located in the northwest of Henan Province. It is bordered by the Yellow River to the north and Yuanqu, Xiaxian and Pinglu in Shanxi Province to the north, Luoning and Yiyang to the south, Yima to the east and Xin'an to the east, and Shaanzhou District to the west. The geographical coordinates are 111 °33'E to 112 °01 °E and 34 °36'N to 35 °05'N, belonging to temperate monsoon climate. Mianchi County is 43.5km wide from east to west and 52.8km from north to south, with a total area of 1421 square kilometers and a total population of 358900 (2017). The county has jurisdiction over 5 towns and 7 townships. The county people's government is stationed in Chengguan Town, 190 kilometers away from the provincial capital Zhengzhou and 300 kilometers away from the ancient capital Xi'an. Mianchi County is a county of economic management and power expansion, a key county of opening to the outside world, and a processing and trade county in Henan Province.