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.
Jishishan Baoan Dongxiang Salar Autonomous County, which belongs to Linxia Hui Autonomous Prefecture of Gansu Province, is the only multi-ethnic autonomous county in Gansu Province. it is located in the southwest of Gansu Province, at the eastern foot of Xiaojishi Mountain in the northwest corner of Linxia Prefecture, between longitude 120 °41 east and latitude 35 °34, bordering Linxia County in the southeast, Xunhua Salar Autonomous County in Qinghai Province in the west, and Minhe County in Qinghai Province in the north. The northeast and Yongjing County are bounded by the Yellow River, with a width of about 33 kilometers from north to south and 37 kilometers from east to west, with a total area of 909.97 square kilometers. As of 2011, Jishishan Baoan Dongxiang Salar Autonomous County has jurisdiction over 4 towns, 13 townships, 145 administrative villages, 6 communities and 1296 village groups, with a total population of 25. 5%.