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.
Dunhua City, which belongs to Yanbian Korean Autonomous Prefecture, is the "west gate" of Yanbian Prefecture. Located in the eastern mountainous area of Jilin Province, the hinterland of Changbai Mountain, one of the node cities in the pilot area of Changjitu development and opening up, it is the largest county-level city in Jilin Province and an important transportation hub in Jilin Province. it connects Jilin and Heilongjiang provinces, four districts and nine counties and cities. Dunhua is known as the "century-old county, the ancient capital of thousands of years". It is the capital of the Bohai Sea in the Tang Dynasty, Aodong City in the Ming and Qing dynasties, and the birthplace of the Manchu royal family. In 1881, a county was established and named Dunhua; in 1958, the county under the jurisdiction of the province was assigned to Yanbian Korean Autonomous Prefecture, and the county was withdrawn to set up a city in 1985. Dunhua is an excellent tourist city, a national sanitary city, a national garden city, a national model city with double support, a model collective of national unity and progress, and the name of Chinese solid wood products.