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.
Naidong District (Tibetan: Tibetan dialect, Tibetan Pinyin: Ningdong Zong) belongs to Shannan City, Tibet Autonomous region, located in the south-central part of the Tibet Autonomous region, the south of the Gangdise Mountains, the middle reaches of the Yarlung Zangbo River, and is the seat of the people's Government of Shannan City. It means "before the tip of the elephant trunk mountain" in Tibetan. The geographical coordinates of Nidong District are located between 28 °44 °N and 29 °36 °N, 91 °32 °N and 92 °02'E, bordering Zhabang County in the west, Mozhu Gongka County in Lhasa City in the north, surrounded by Qiongjie, Longzi and Cuomei counties in the south, and Sangri and Qusong counties in the east, with a total area of 2208.85 square kilometers, with a total area of 94.4km from north to south and 31.2km from east to west in the middle, with a total population of 76976 (