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.
Wulan County, which belongs to Haixi Mongolian-Tibetan Autonomous Prefecture of Qinghai Province, is located in the central part of Qinghai Province, Haixi Mongolian-Tibetan Autonomous Prefecture and the eastern part of Qaidam Basin, with Gonghe County of Hainan Tibetan Autonomous Prefecture in the east, Dulan County in the south, Delingha City in the west and Tianjun County in the north. The geographical coordinates are 97 °01 "99 °27" east and 36 °19 "37 °20" north. The county is 216.9 km long from east to west and 112km wide from north to south. The total land area of the county is 12858.16 square kilometers. As of 2010, Wulan County has jurisdiction over 4 towns, a total of 38 village (pastoral) committees, with a total population of 36555, including Han, Mongolian, Tibetan, Hui, Tu, Salar and other 17 ethnic groups. In 2010, Wulan County completed its gross domestic product (GDP).