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 including counties and county-level cities, with a population of 7,674,439 at the 2010 census under its jurisdiction. The city's built-up (or metro) area, including 5 districts and 4 development areas, had a population of 3,815,270 in 2010 as Shuangyang district is not conurbated yet.
The name, which means "Long Spring", originated from the Jurchen language. Known as China's Automobile City, Changchun is an important industrial base with a particular focus on the automotive sector. Apart from this industrial aspect, Changchun is also one of four "National Garden Cities" awarded by the Ministry of Construction of P.R. China in 2001 due to its high urban greening rate.