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.
Dingyuan County, which belongs to Chuzhou City, Anhui Province, is located in the east of Anhui Province, between latitude 32 °12'- 32 °42'N and longitude 117 °12'- 118 °5'E. it is located in the eastern part of Anhui Province, between the hinterland of eastern Anhui and the western part of the Yangtze River Delta, which is connected with Jiangsu, Zhejiang and Shanghai, covering an area of 2998 square kilometers and cultivated land of 2.469 million mu. By the end of 2017, Dingyuan County had a population of 974900 and had jurisdiction over 22 townships and 253 administrative villages. The topography of Dingyuan County is generally high in the north and low in the south. The landforms in the territory are divided into three types: hills, wavy plains and plains. In ancient times, it has the reputation of "Jinglian Bayi, Qutong nine provinces", and it is still the key point of China's north and south. The Beijing-Shanghai high-speed railway and the Huainan railway run through the territory, and the Beijing-Taiwan highway runs across the territory. Was listed as a country in 1987