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.
Yangdong District belongs to Yangjiang City, Guangdong Province, bordering Yangchun City, Jiangcheng District and Enping City in the east, west and north respectively, and the South China Sea to the south. The coastline is more than 130km long and the land area is 1830 square kilometers. It is between 111 °42 degrees east longitude 112 °21 degrees east longitude and 22 degrees 15 'north latitude. In 2013, Yangdong District has jurisdiction over 11 towns (including 6 agricultural and forestry farms), a total of 171villages, 1688 village (resident) groups and 1488 natural villages. At the end of 2014, there were 498800 permanent residents and 502700 registered residents. In 2014, the region's gross domestic product (GDP) reached 25.808 billion yuan, an increase of 11.5% over the same period in 2013. Yangdong District is a national project pilot county with strong intellectual property rights.