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.
Dingan County is located in the central northeast of Hainan Island, longitude 110o 7km east, latitude 19 °13km, north latitude 19 °13km, Wenchang City to the east, Chengmai County to the west, Qionghai City to the southeast, Tunchang County to the southwest, across the river to the north and Qiongshan District of Haikou City to the north, 45.50km from east to west, 68km from north to south, 251.50 km from north to south, and 251.50 km from north to south. The population of the county is 310000, covering an area of 1189 square kilometers. Ding'an County has the geographical location of facing the air and the sea, and has the advantages of developing tropical high-efficiency agriculture, high-tech industry, warehousing industry, commercial and residential industry and trade projects. It is the birthplace of Qiong Opera and has a large number of celebrities. Known as the folk spread of "no stable opera troupe", known as Hainan's "hometown of Qiongju Opera", it was awarded by the Ministry of Culture in November 2011.