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.
Guizhou, referred to as "Guizhou" or "Gui" for short, is a provincial administrative region of the people's Republic of China. Guiyang, the provincial capital, is located in the hinterland of southwest China. It is a transportation hub in southwest China and an important part of the Yangtze River economic belt. China's first national big data comprehensive experimental area, world-famous mountain tourism destinations and major mountain tourism provinces, national ecological civilization experimental area, inland open economic experimental area. It is bounded by 24 °37 degrees north latitude 29 °13 'longitude, 103 °36 degrees east longitude, 109 °35 degrees east longitude, Sichuan and Chongqing to the north, Hunan to the east, Guangxi to the south, and Yunnan to the west. The topography of Guizhou is high in the west and low in the east, tilting from the middle to the north, east and south. The geomorphology of the province can be summarized as follows: the topography is high in the west and low in the east, tilted from the middle to the north, east and south, and the landform is plateau and mountainous area.