Komsomolsk-on-Amur is a city in Khabarovsk Krai, Russia, located on the left bank of the Amur River in the Russian Far East. It is located on the Baikal-Amur Mainline, northeast of Khabarovsk. Population:

The city and its suburbs stretch for over along the left bank of the Amur River. The river at this point is up to wide.