Changchun, referred to as "Chang" for short, was called "Xi Du and tea town Ahong" in ancient times, also known as "Spring City in the North". Jilin Province is a prefecture-level city, a provincial capital city, a sub-provincial city and a core city of Changchun urban agglomeration. It is one of the central cities in Northeast China and an important industrial base approved by the State Council. By 2020, Changchun will have 7 districts, 1 county and 3 county-level cities, with a total area of 24,744 square kilometers. As of June 2020, 5438+065438+1October1According to the data of the seventh census, the permanent population of Changchun is 9066906. In 20021year, Changchun achieved a regional GDP of 7103438+0.2 billion yuan.