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.
Gaoling District, which belongs to Xi'an City, Shaanxi Province, is located in the hinterland of Guanzhong Plain in Shaanxi Province, in the north of Xi'an City. Founded in the 12th year of Qin Xiaogong (350 BC), it is located in the Guanzhong Plain, on both sides of the Jinghe River and the Weihe River. Lintong District in the east, Weiyang District and Baqiao District in the south, Weicheng District, Sanyuan County and Jingyang County in Xianyang City in the west, and Yanliang District in the north, which is known as "cabbage heart" in Guanzhong. As of 2017, Gaoling District covers an area of 294square kilometers, has jurisdiction over 3 towns, 3 streets and 2 administrative committees, and has a registered population of 339200 (resident population 357000). In 2017, the region's GDP reached 37.71 billion yuan. There are ancient cultural relics such as Tang Zhaohui Pagoda, Li Sheng Stele and Dongwei Bridge site in Gaoling.