Changsha[a] is the capital of Hunan, China. It is the 17th most populous city in China with a population of over 10 million,[6] and the third-most populous city in Central China, located in the lower reaches of the Xiang River in northeastern Hunan. The city forms a part of the Greater Changsha Metropolitan Region along with Zhuzhou and Xiangtan, also known as Changzhutan City Cluster. Greater Changsha was named one of the 13 emerging mega-cities in China in 2012 by the Economist Intelligence Unit.[7] It is also a National Comprehensive Transportation Hub,[8] and one of the first National Famous Historical and Cultural Cities in China. Changshanese, a kind of Xiang Chinese, is spoken in the downtown, while Ningxiangnese and Liuyangnese are also spoken in the counties and cities under its jurisdiction.[9] As of the 2020 Chinese census, the prefecture-level city of Changsha had a population of 10,047,914 inhabitants.[10]