Harbin is the capital and largest city of Heilongjiang province, People's Republic of China. Holding sub-provincial administrative status, Harbin has direct jurisdiction over 9 metropolitan districts, 2 county-level cities and 7 counties. Harbin is the eighth most populous Chinese city and the most populous city in Northeast China. According to the 2010 census, the built-up area made of 7 out of 9 urban districts (all but Shuangcheng and Acheng not urbanized yet) had 5,282,093 inhabitants, while the total population of the sub-provincial city was up to 10,635,971.