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.
Sinan County is under the jurisdiction of Tongren City, Guizhou Province, located in the northeast of Guizhou Province, the middle and lower reaches of the Wujiang River, under the jurisdiction of Tongren area, with geographical coordinates of 107 °52 "108 °28 °east longitude and 27 °32" 28 °10 'north latitude. The county is 57.6 km long from east to west and 69.3 km wide from north to south. It is bordered by Yinjiang County in the east, Shiqian County in the south, Fenggang County in the west and Dejiang County in the north. The four main county-level highway networks in Sinan County are Sinan-Shiqian, Sinan-Dabachang, Sinan-Fenggang, Shagou-Hepengxi and so on. Sinan County has an administrative area of 2230.5 square kilometers and has jurisdiction over 28 townships (towns and streets), including 17 formed towns, 3 streets, 8 ethnic minority townships, 489 administrative villages and 37 communities, with a total population of 684500. In 2017, Sinan County finished.