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The results of optical identifications of five hard X-ray sources in theGalactic plane region from the INTEGRAL all-sky survey are presented. The X-raydata on one source (IGRJ20216+4359) are published for the first time. Theoptical observations were performed with 1.5-m RTT-150 telescope (TUBITAKNational Observatory, Antalya, Turkey) and 6-m BTA telescope (SpecialAstrophysical Observatory, Nizhny Arkhyz, Russia). A blazar, three Seyfertgalaxies, and a high-mass X-ray binary are among the identified sources.

Optical Identifications of Five INTEGRAL Hard X-ray Sources in the Galactic Plane Region