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.
Seni District, which belongs to Naqu City, Tibet Autonomous region, is the political, economic, cultural, transportation, information and communication center of Naqu City. Seni District is bordered by Dangxiong County to the south, Nierong County and Ando County to the north, Biru County and Jiali County to the east, and Bangor County to the west. Xeni District is located in north-central Tibet, between Mount Tanggula and Nianqing Tanggula Mountains, both belong to the northern Tibetan plateau, with an average altitude of more than 4500 meters and a maximum elevation of 6500 meters. The maximum distance from east to west is 233km, and the maximum distance from north to south is 185km, with a total area of 16195 square kilometers. In 2016, the total population of Xeni District was 144116. In 2016, Seni District achieved a GDP of 2.267 billion yuan. In August 2011, Naqu County (Seni District) was awarded the hometown of Chinese specialty (yak).