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.
Maqin County, located in the southeast of Qinghai Province and northeast of Guoluo Tibetan Autonomous Prefecture, is a national "Sanjiangyuan" ecological reserve. The county has a total area of 13400 square kilometers in 2009, of which the grassland area is 17.6362 million mu, and the available grassland area is 16.2801 million mu, accounting for 92.3% of the grassland area. It is a typical plateau and mountain type, with an average elevation of more than 4100 meters. It now has jurisdiction over 35 administrative villages and 96 animal husbandry cooperatives in 6 townships and 2 towns. In December 2016, it was listed as the third batch of national comprehensive pilot areas for new urbanization. On December 29, 2018, the sixth national unity and progress demonstration zone (unit) was named by the State Civil Affairs Commission.