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.
Xide County belongs to Liangshan Yi Autonomous Prefecture, Sichuan Province, with geographical coordinates of 102 °42'E and 28 °32 °N. It is located in the southwest of Sichuan Province, the north-central part of Liangshan Yi Autonomous Prefecture, bordering on the north and west, Zhaojue in the east and southeast, Mianning County and Xichang City in the west and southwest, 78 km south of Xichang City, and 483 km north of Chengdu. Xide County is 70.8km long from north to south, 59.5km from east to west and covers an area of 2200.4 square kilometers, equivalent to 3300600 mu. There are Yi, Tibetan, Qiang, Miao, Hui, Mongolian, Tujia, Su, Manchu, Yao, Dong, Naxi, Buyi, Bai, Zhuang and Dai nationalities in Xide County. From January to June 2007, the gross domestic product of Xide County reached 3079.