Komsomolsk-on-Amur is a city in Khabarovsk Krai, Russia, located on the west bank of the Amur River in the Russian Far East. It is located on the Baikal-Amur Mainline, 356 kilometers (221 mi) northeast of Khabarovsk. Population: 238,505 (2021 census); 263,906 (2010 census); 281,035 (2002 census); 315,325 (1989 Soviet census).