Changchun and Shenyang. According to Baima Knowledge Network, Heilongjiang is located in the easternmost and northernmost part of China, facing Russia across the river in the north and east, adjacent to Inner Mongolia Autonomous Region in the west and Jilin Province in the south, and the cities in the southwest of Heilongjiang are Changchun and Shenyang. There are 12 prefecture-level cities in Heilongjiang province, namely Harbin, Qiqihar, Hegang, Shuangyashan, Jixi, Daqing, Yichun, Mudanjiang, Jiamusi, qitaihe city, Heihe and Suihua.