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.
Yangqu County, historically known as "Sanjin Shouyi", belongs to Taiyuan City, Shanxi Province, which is located in the backbone of Xinzhou and Jinzhong basin. Jiaojin key point, Taiyuan gate. The east, west and north are surrounded by mountains, while the south is low and flat. It is bordered by Yu County in the east, Jingle County and Gujiao City in the west, Taiyuan City in the south, Xinzhou City in the north, Dingxiang County in the northeast and Shouyang County in the southeast. Jingbei mountain system stretches from east to west, and Yunzhong mountain system runs through the north and south, because of the north barrier, which is known as the north gate of Taiyuan, which is a necessary place for soldiers. Yangqu County has 579 cultural relics protection units (including 5 at the national level, 4 at the provincial level and 24 at the municipal level). In 2007, together with Pingyao, Dunhuang, Dali and other historical and cultural places, it was selected as the "66 major counties of Chinese cultural tourism in a lifetime". Yangqu has a dense road network, 108 National Highway.