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.
Menghai County, located in the southwest of Yunnan Province and the west of Xishuangbanna Dai Autonomous Prefecture, is located between 99 °56 °E and 100 °41'E and 21 °28 °M ü r 22 °28'N. It is bordered by Jinghong City to the east, Simao City to the northeast, Lancang County to the northwest and Myanmar to the west and south. The border is 146.6 kilometers long. The east-west horizontal distance is 77 km, the north-south vertical distance is 115km, with a total area of 5511 square kilometers, of which mountain area accounts for 93.45%, dam area accounts for 6.55%, the highest elevation is 2429 meters, and the lowest elevation is 535m. With a total population of 331850 (2010), the government is stationed in Menghai Town. Menghai County is the hometown of the world-famous "Pu'er tea" and the earliest place of tea production in China. It has the wild "tea tree king" of 1700 years ago.