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.
Dunhuang, hosted by Jiuquan City, Gansu Province, is located at the westernmost end of the Hexi Corridor and at the confluence of Gansu, Qinghai and Xinjiang provinces (regions). It is located between 92 °13 degrees east longitude and 95 °30 degrees east longitude, 39 °40 degrees north latitude and 41 °40 degrees north latitude, with a total area of 31200 square kilometers. Dunhuang is a node city of the Silk Road, famous for its "Dunhuang Grottoes" and "Dunhuang murals". It is the site of the World Heritage Mogao Grottoes and Yumengguan and Yangguan on the border of the Han Great Wall. In 2012, it was selected as one of the "Top 200 cities with Chinese characteristics" and is a famous historical and cultural city in China. In 2018, Dunhuang had nine towns, one farm and one base under its jurisdiction, with a total resident population of 191100 and a GDP of 98.78.