San Antonio (/ˌsæn ænˈtoʊnioʊ/ SAN an-TOH-nee-oh; Spanish for "Saint Anthony"), officially the City of San Antonio, is a city in Texas, United States. The city is the seventh-most populous in the United States, the second-largest in the Southern United States, and the second-most populous in Texas. It is the 12th most-populous city in North America, with 1,434,625 residents in 2020.
Founded as a Spanish mission and colonial outpost in 1718, the city in 1731 became the first chartered civil settlement in what is now present-day Texas. The area was then part of the Spanish Empire. From 1821 to 1836, it was part of the Mexican Republic. It is the oldest municipality in Texas, having celebrated its 300th anniversary on May 1, 2018.
Yu'an District is the municipal district of Lu'an City. it is a new district established with the withdrawal of land and the establishment of the city in December 1999. Yu'an District is located in the west of Lu'an City, Jinan District in the east, Huoshan County in the south, Jinzhai County in the west and Shou County in the north. Yu'an District famous and special products are Liuangua tablets, Subu marijuana, Xuji peanut candy, etc.; scenic spots are Hengpaitou Scenic spot, Huanglian Temple, Jiugongzhai Scenic spot and so on. As of 2012, Yu'an District covers an area of 1926 square kilometers and has jurisdiction over 19 townships and 3 streets, with a registered population of 1002321. On September 25, 2018, he won the honorary title of "2018 e-commerce into rural comprehensive demonstration county" of the Ministry of Commerce. In March 2019, it was on the list of the first batch of revolutionary cultural relics protection and utilization districts and counties. April 29, 2019