Quanzhou, alternatively known as Chinchew, is a prefecture-level port city on the north bank of the Jin River, beside the Taiwan Strait in southern Fujian, China. It is Fujian's largest most populous metropolitan region, with an area of 11,245 square kilometers and a population of 8,782,285 as of the 2020 census. Its built-up area is home to 6,669,711 inhabitants, encompassing the Licheng, Fengze, and Luojiang urban districts; Jinjiang, Nan'an, and Shishi cities; Hui'an County; and the Quanzhou District for Taiwanese Investment. Quanzhou was China's 12th-largest extended metropolitan area in 2010.
Quanzhou was China's major port for foreign traders, who knew it as Zaiton, during the 11th through 14th centuries. It was visited by both Marco Polo and Ibn Battuta; both travelers praised it as one of the most prosperous and glorious cities in the world.
Wikipedia https://en.wikipedia.org/wiki/Quanzhou
Coordinates 24°52'31.977" N 118°40'20.498" E