Changchun is the capital and largest city of Jilin Province, China, on the Songliao Plain. Changchun is administered as a sub-provincial city, comprising seven districts, one county and three county-level cities. At the 2020 census of China, Changchun had a population of 9,066,906; its metro area, comprising five districts and one development area, had a population of 5,019,477. Shuangyang and Jiutai districts are not urbanized yet. It is one of the biggest cities in Manchuria, along with Mukden, Dalian and Harbin.