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.
Guangzhou, referred to as "Guangzhou", also known as Yangcheng and Huacheng, is the capital, vice-provincial city, national central city and mega city of Guangdong Province. It is an important central city, international trade center and comprehensive transportation hub in China as approved by the State Council. By 2018, there were 11 districts under the jurisdiction of the city, with a total area of 7434 square kilometers, a built area of 1249.11 square kilometers, a resident population of 14.9044 million, an urban population of 12.8744 million, and a urbanization rate of 86.38%. Located in southern China, bordering the South China Sea and the northern edge of the Pearl River Delta, Guangzhou is the headquarters of the theater headquarters in southern China, a national comprehensive gateway city, the first batch of coastal open cities, and the southern gate of China to the world. Guangdong-Hong Kong-Macau Greater Bay Area, the central city and area of the Pan-Pearl River Delta economic zone.