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.
Chenghai District is under the jurisdiction of Shantou City, Guangdong Province. it is located in the east of Guangdong Province, at the mouth of Hanjiang Delta, Raoping County of Chaozhou City in the northeast, Chaozhou City in the northwest, Longhu District of Shantou City in the southwest, and Nanao County in the southeast. The geographical coordinates are between longitude 116 °54, latitude 23 °23, east-west width 22 km, north-south length 27.85 km, and total area 378.35 square kilometers. By the end of 2017, Chenghai District had jurisdiction over 8 towns and 3 streets, with 137 village committees and 47 community neighborhood committees, with a registered population of 797000. Mainly Han nationality, there are 43 ethnic minorities, most of which are Zhuang, Miao and Buyi. It has always been an important transportation hub in eastern Guangdong, southwestern Fujian and southern Jiangxi.