Jiujiang, formerly transliterated Kiukiang and Kew-Keang, is a prefecture-level city located on the southern shores of the Yangtze River in northwest Jiangxi Province in the People's Republic of China. It is the second-largest prefecture-level city in Jiangxi and its borders include Poyang Lake, the largest freshwater lake in China. Jiujiang is the fourth largest port on the Yangtze River and was one of the first five cities that were opened to foreign trade along the Yangtze River following the implementation of Deng Xiaoping's Opening-Up Policy. It is Jiangxi's only international trade port city.
Its population was 4,600,276 inhabitants at the 2020 census, 1,164,268 of whom resided in the built-up area (metro) made up of three urban districts (aka Xunyang, Lianxi, and Chaisang). In 2007, the city was named China's top ten livable cities by the Chinese Cities Brand Value Report, which was released at 2007 Beijing Summit of China Cities Forum. In 2022, the State Council of China granted Jiujiang the title of Famed National Historical and Cultural City for its rich history and multicultural background in the Republican era.