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.
Zengcheng District is a municipal district of Guangzhou, located in the east-central part of Guangdong Province and the east of Guangzhou, facing Dongguan in the south, Huizhou in the east and Conghua in the north. As of the end of 2017, it covers an area of 1616.47 square kilometers and has a resident population of 1.41 million. It has a state-level economic and technological development zone and "overseas Chinese Mengyuan", the fifth national industrial gathering area for overseas Chinese businessmen. Zengcheng County was built in the Eastern Han Dynasty Jian'an six years (2018), belonging to Nanhai County, because Nanhai County originally under the jurisdiction of six counties, a new county, an additional city, so it is called "Zengcheng". In 1993, counties were removed to set up cities, and in February 2014, cities were withdrawn to set up districts. It has jurisdiction over 4 subdistrict offices, 7 towns, 282 administrative villages and 55 communities with a population of 890800. The Zengcheng Economic and technological Development Zone within its jurisdiction is one of the three national development zones in Guangzhou.