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.
Tongzi County is under the jurisdiction of Zunyi City, Guizhou Province. It is located in the north of Guizhou Province, bordering Chongqing in the north, Huichuan District and Renhuai City in the south, Xishui County and Qijiang District in Chongqing in the west, and Nanchuan District and Wansheng District in the north. The ground spans 27 °57 °N 28 °54 °N, 106 °26 °E and 107 °17 °E, with a total land area of 3202 square kilometers. Tongzi County has jurisdiction over 2 streets, 20 towns, 2 townships and 1 ethnic township. At the end of 2017, the registered population of Tongzi County was 742300. Tongzi County is "the hometown of bamboo shoots in China", known as "the gateway to northern Guizhou" and "the key to Sichuan and Guizhou". Sichuan-Guizhou Railway, National Highway 210 and Yu-Zhan Expressway run through the county, and the driving time from the county seat to Guiyang and Chongqing is about 2 hours. In September 2018, Tongzi County withdrew from the poverty-stricken county.