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.
Changyi District, which belongs to Xi'an City, Shaanxi Province, formerly known as Huan County and Huxian County, is located in the southwest of Xi'an, Qinling Mountains in the south and Weihe River in the north, with a total area of 1282 square kilometers. It is one of the three deputy central cities of Xi'an international metropolis, 18 kilometers away from the main city of Xi'an, and is located in Xi'an "half-hour economic circle". As of March 2019, Changyi District has jurisdiction over 8 streets, 6 established towns and a scenic spot management bureau. On November 24, 2016, the State Council approved the revocation of Huxian County and established Xi'an City's Fengyi District. On September 9, 2017, Qianyi District was officially unveiled as the 11th district of Xi'an. It is the hometown of modern Chinese folk painting, Chinese poetry, national civilized county, national health county and national go. 2018, Changyi District