Located in the hinterland of Northeast China, Jilin Province is the geometrically geographic center of Northeast Asia. Spanning between 121 38'- 131 19' east longitude and 40 50'- 46 19' north latitude, the area it covers is 769.62 kilometers long from east to west and 606.57 kilometers wide from north to south. It adjoins Liaoning Province, Inner Mongolia Autonomous Region, and Heilongjiang Province in the south, west and north respectively. It borders the Russian Federation in the east, and faces the Democratic People's Republic of Korea across the Yalu River in the southeast.
As a frontier province, Jilin Province has a 1438.7 km long border, with 1206km of it shared with the Democratic People's Republic of Korea, and 232.7 km shared with the Russian Federation. Some parts of Jilin Province are also in the proximity to the sea. Hunchun City, the easternmost point of Jilin Province, is 15 kilometers from the Japan Sea, and only 4 kilometers from the Khaypudyr Bay of Russia.