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.
Dinghu District, located in the west-central part of Guangdong Province and the lower reaches of the Xijiang River, is an important part of the central urban area of Zhaoqing City and one of the main bodies of the reform and development planning of the Pearl River Delta region. The land is located in the south of the Tropic of Cancer, between longitude 112 °57 east and latitude 23 °05 north; Sanshui District of Foshan City to the east, Sihui City to the north, Gaoyao District to the south and Duanzhou District of Zhaoqing City to the west. The terrain is high in the northwest, low in the southeast, Dinghushan Group of Beiling Mountains in the north, plain in the middle, Lanke Mountain extending to the east in the south, standing across the river with Dinghushan, the highest peak is Jilong Mountain, 1000.3 meters above sea level. The total area of the region is 596 square kilometers. Changchong Village in Yongan Town in the east, Shangshuitian Village in Fenghuang Town in the west, south in Dinghu District