Komsomolsk (Ukrainian: Комсомо́льськ, Russian: Комсомо́льск), also known as Komsomolsk-on-Dnieper (Ukrainian: Комсомо́льськ-на-Дніпрі, Komsomolsk-na-Dnipri), is a purpose-built mining city in central Ukraine, located on the left bank of the Dnieper river. Komsomolsk is a city of regional significance of Poltava Oblast, practically conurbated with the larger neighboring city of Kremenchuk.