Out of Changchun and Chengde, site of the huge Qing emperors' palace, which Chinese city had the largest population in 2010?
Changchun Changchun () is the capital and largest city of Jilin Province, and is located in the northeast of China. Lying in the center of the Songliao Plain, Changchun is administered as a , comprising 7 districts, 1 county and 2 county-level cities. According to the 2010 census of China, Changchun had a total population of 7,674,439 under its jurisdiction. The city's urbanized ("or metro") area, comprising 5 districts and 4 development areas, had a population of 3,815,270 in 2010 as the Shuangyang and Jiutai districts are not urbanized yet.
Chengdu Chengdu ( ), formerly romanized as Chengtu, is a sub-provincial city which has served as capital of China's Sichuan province. It is one of the three most populous cities in Western China (the other two are Chongqing and Xi'an). s of 2014 , the administrative area houses 14,427,500 inhabitants, with an urban population of 10,152,632. At the time of the 2010 census, Chengdu was the 5th-most populous agglomeration in China, with 10,484,996 inhabitants in the built-up area including Xinjin County and Deyang's Guanghan City.