Where is Changchun?

Jilin province. According to Baidu map, Changchun was referred to as "Chang" in ancient times and was called "Spring City in the North". It's called Xi Du and Cha Achong. It is a prefecture-level city, provincial capital city, sub-provincial city, I-type big city and the core city of Harbin-Changzhou urban agglomeration under the jurisdiction of Jilin Province, and it is one of the central cities and important industrial bases in Northeast China approved by the State Council.