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.
Tongchuan District, which belongs to Dazhou City, Sichuan Province, is located in the northeast of Sichuan Province and in the middle of Dazhou City, adjacent to Xuanhan County in the northeast, Dachuan District in the southwest and Pingchang County in the northwest. As of October 2018, Tongchuan District has jurisdiction over 19 townships and 3 subdistrict offices, covering an area of 900square kilometers and a resident population of 782100. It is a national advanced area of scientific and technological progress, a national demonstration area of harmonious community construction, a national demonstration base of agricultural products processing industry, an advanced area of safe construction, an advanced area of hilly areas, and a demonstration area of rural tourism. Tongchuan District, which was established in 1999 as the seat of the state and government, is the political, economic and cultural center of Dazhou City. The four leading groups of the Municipal Party Committee, the Municipal Government, the Municipal people's Congress, the Municipal people's political Consultative Conference and the major administrative departments are all located in Tongchuan, which is known as "the heart of Dazhou".