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.
Yangdong District belongs to Yangjiang City, Guangdong Province, bordering Yangchun City, Jiangcheng District and Enping City in the east, west and north respectively, and the South China Sea to the south. The coastline is more than 130km long and the land area is 1830 square kilometers. It is between 111 °42 degrees east longitude 112 °21 degrees east longitude and 22 degrees 15 'north latitude. In 2013, Yangdong District has jurisdiction over 11 towns (including 6 agricultural and forestry farms), a total of 171villages, 1688 village (resident) groups and 1488 natural villages. At the end of 2014, there were 498800 permanent residents and 502700 registered residents. In 2014, the region's gross domestic product (GDP) reached 25.808 billion yuan, an increase of 11.5% over the same period in 2013. Yangdong District is a national project pilot county with strong intellectual property rights.