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.
Suzhou District, which belongs to Jiuquan City, Gansu Province, is located in the northwest of Gansu Province, the east of Jiuquan City, the northern foot of Qilian Mountain and the central and western part of Hexi Corridor. the geographical coordinates are 98 °20mm east longitude, 39 °10mm north latitude, 39 °59km north latitude, bordering Gaotai County and Sunan County in the east, Qilian Mountain and Sunan County in the south, Jiayuguan City in the west, Jinta Jiashan Mountain and Jinta County in the north. It is 104km long from east to west and 84km wide from north to south, with a total area of 3353.74 square kilometers. As of 2016, Suzhou District has jurisdiction over 6 streets, 10 towns and 5 townships, with a total population of 406400, including 15 ethnic groups such as Han, Hui and Yugur. In 2011, the gross domestic product (GDP) of Suzhou District reached 15.278 billion yuan.