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.
Sanyuan County, Xianyang City, Shaanxi Province, is known as "Jiayi" in history and "Chiyang" in ancient times, which is located in the middle of Guanzhong Plain in Shaanxi Province. It is named after Xiyuan (also known as Qiliyuan), Central Plains (also known as Xinxingyuan) and Dongyuan (also known as Lingqian Yuan). Sanyuan is the ancient capital city, since the Northern Wei Taiping Zhenjun seven years (AD 446) home county, has a history of more than 1570 years, known as "food and clothing capital, hundreds of millions of mouth" reputation. County area of 576.9 square kilometers, commonly used arable land area of 491265 mu, jurisdiction 1 street office 9 towns 4 centers 172 administrative villages, the county's registered population of 408165 (2018). Sanyuan is located in the arc center of Xi'an, Xianyang, Weinan, Tongchuan and other surrounding large and medium-sized cities, connected with Lintong, Fuping and Yanliang in the east, Gaoling in the south and Jingyang and Chun in the west.