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.
Yongchang County, which belongs to Jinchang City, Gansu Province, is located in the northwest of Gansu Province, in the east of Hexi Corridor, the northern foot of Qilian Mountain and the southern edge of Alashan platform. It is bordered by Wuwei to the east, Jinchuan to the north, Shandan to the west and Sunan to the south. The geographical coordinates are 101 °04 east longitude 102 °43 mi, 37 °47 mi 38 °39'N. The longest distance from east to west is 144.8 km, and the widest distance from north to south is 144.55 km, with a total area of 7439.27 square kilometers. As of 2014, Yongchang County has jurisdiction over 6 towns and 4 townships, with a total of 111administrative villages, 917 village groups and 10 communities, with a total population of 235300 (by the end of 2017), mainly Han nationality, and ethnic minorities such as Mongolian, Hui and Pan. In 2017, Yongchang County realized the regional gross domestic product.