Wichita (/ˈwɪtʃɪtɔː/ WITCH-ih-taw) is the largest city in the U.S. state of Kansas and the county seat of Sedgwick County. As of the 2020 census, the population of the city was 397,532. The Wichita metro area had a population of 647,610 in 2020. It is located in south-central Kansas on the Arkansas River.
Wichita began as a trading post on the Chisholm Trail in the 1860s and was incorporated as a city in 1870. It became a destination for cattle drives traveling north from Texas to Kansas railroads, earning it the nickname "Cowtown". Wyatt Earp served as a police officer in Wichita for around one year before going to Dodge City.
Chengbei District, which belongs to Xining City, Qinghai Province, is located in the northwest of Xining City, bordering east and east, Huangzhong county in the west, Huangshui river in the south and Datong Hui Tu Autonomous County and Huzhu Tu Autonomous County in the north. It is about 23 kilometers from east to west and about 5 miles from north to south, with a total area of 137.7 square kilometers. In 2010, the region has a resident population of 299002, including 30 ethnic groups such as Han and Hui. In 2013, Chengbei District had jurisdiction over 3 streets and 2 towns, and the district government was stationed in Chaoyang West Road, Chaoyang Street; the district's GDP was 19.318 billion yuan, an increase of 14.2% over the same period in 2012.