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.
Tongde County is located in the southeast of Qinghai Province, at the junction of Hainan, Huangnan and Guoluo Tibetan Autonomous Prefecture, and belongs to the people's Government of Hainan Prefecture. The Xijiu Highway, the provincial highway, runs through the whole territory from north to south, and the Yellow River surrounds the county in a half-ring from east to west. The county seat is located 3060 meters above sea level, 256km away from the state capital Chabqa town and 282km away from the provincial capital Xining, with a resident population of about 9000. The climate is typical plateau continental climate, the highest elevation in the county is 4671 meters, the lowest elevation is 2648 meters, the average elevation is 3660 meters, the average annual temperature is 0.4 ℃-0.6 ℃, the average annual precipitation is 440mm, and there is no absolute frost-free period. The county has a total area of 4758 square kilometers and has jurisdiction over 73 administrative villages in 2 towns and 3 townships. In 2009, the total population was 61000.