Changchun is the capital and largest city of Jilin province, located in the northeast of the People's Republic of China, in the center of the Songliao Plain. It is administered as a sub-provincial city with a population of 7,677,089 at the 2010 census under its jurisdiction, including counties and county-level cities. The name, which means 'Long Spring', originated from the Jurchen language. The six urban districts of Changchun's city proper have a total population of 3,341,700 in 2010 which correspond to the built up area. Known as China's Automobile City, Changchun is an important industrial base with a particular focus on the automotive sector. Changchun was initially established on Imperial Decree as a small Trading post and frontier village during the reign of the Jiajing Emperor. Trading activities mainly involved furs and other natural products during this period.
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