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.
Longzi County, which belongs to Shannan City, Tibet Autonomous region, is located in the south of Shannan City, in the eastern part of the northern foot of the Himalayas, bordering Lang County and Jiacha County in the north, Menjiu County in the south, Luoyu County in the east and Cuomei County in the west, Cuona County in the southwest, Qusong County in the north, Nedong District in Shannan City in the northwest, and Milin County in the northeast. Its geographical location is 91 °53km east longitude, 93 °06km east longitude and 28 °07mm north latitude, with a total area of 10566 square kilometers and an actual control area of 8165 square kilometers. As of 2018, Longzi County has jurisdiction over 2 towns and 9 townships. By the end of 2017, the total population of Longzi County was 35858, with a regional gross domestic product (GDP) of 1.099 billion yuan, of which the added value of the primary industry was 64.185 million yuan and the second production was the second.