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.
Pengan County is located in the middle reaches of Jialing River, a famous historical and cultural city at the provincial level, the top ten eco-tourism demonstration cities in China, the top 50 most beautiful small cities in China, and the Qingxi River in Jialing River. it is a very beautiful landscape park city. Nanchong has established an integrated city in the same city. Pengan has a long history, outstanding people, unique location, convenient transportation from Chengdu 230 km, Chongqing 200 km, from the main city of Nanchong and Gaoping Airport only 30 minutes by car, closely integrated into the Chengdu-Chongqing "two-hour economic circle" and Nanchong "half-hour economic circle". Located in the northeast of Sichuan Province, Xiazhong County, Nanchong City, in 507 AD (the sixth year of Tianjian in the Southern Dynasty), Emperor Liang Wu named the county in memory of Sima Xiangru, which was incorporated into Pengzhou in 1371. Pengzhou changed its name to "Pengan" in 1913, with a total population of 730000.