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.
Weiyuan County belongs to Dingxi City, Gansu Province. Weiyuan County is located in the middle of Gansu Province, the central and western part of Dingxi City, 174km away from the provincial capital Lanzhou and 55 km away from Longhai Railway Longxi Station. The geographical coordinates are 104 °02km east longitude and 35 °07km north latitude, with a total area of 2065 square kilometers. As of 2011, Weiyuan County has jurisdiction over 8 towns and 8 townships, a total of 3 communities, 217 administrative villages and 1536 village groups, with a total population of 351700, mainly Han nationality, and ethnic minorities are Hui, Tibetan, Manchu and Mongolian, accounting for less than 1% of the total population. In 2011, the gross domestic product (GDP) of Weiyuan County reached 1.61171 billion yuan, an increase of 12.8% over 2010.