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.
Gangnan District is under the jurisdiction of Guigang City, Guangxi Zhuang Autonomous region. it is a county-level district established after the prefecture-level Guigang City was established in 1996. It is located on the banks of the Yuhe River in the Xijiang Valley of the Golden Waterway, southeast of Guigang City, on the south bank of Yujiang River, adjacent to Xingye County in the east, Pubei County in the south, Hengxian County in the west, and Gangbei District and Guiping City in the north. In the southern part of Hong Kong, there are double tracks of Li-Zhan Railway and National Highway 324, Nanning-Guangzhou Expressway runs through the whole territory, and the Xijiang River in the golden waterway flows through four villages and towns in the area, and it can pass through thousand-ton freighters all the year round, directly to Guangdong, Hong Kong and Macao. It is an important transportation hub in Guangxi and an important channel for the export of materials in the southwest. By the end of 2010, Hong Kong South District has a total area of 1089 square kilometers and has jurisdiction over 6 towns, 2 townships and 1 street, 165 village committees with a population of 635600.