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.
Yanliang District of Xi'an is located in the northeast of the ancient city of Xi'an, 50 kilometers away from the city center, with a total area of 244 square kilometers. It is adjacent to Linwei District of Weinan City in the east, Sanyuan County in Xianyang City in the west, Jingshan Plateau in the north and Fuping County in Weinan City in the north, and Lintong District in Xi'an to the south by Qinghe River, which is located in the center of Weibei area. It has jurisdiction over 7 subdistrict offices, 24 communities and 73 administrative villages. Yanliang District has a resident population of 294700 (2017). Yanliang District has a well-developed aviation industry, which is a famous Chinese aviation city integrating aircraft design, manufacturing, appraisal, flight test, teaching and research. In March 2019, it was on the list of the first batch of revolutionary cultural relics protection and utilization districts and counties.