Svetlogorsk is a coastal resort town and the administrative center of Svetlogorsky District of Kaliningrad Oblast, Russia, located on the co…Svetlogorsk is a coastal resort town and the administrative center of Svetlogorsky District of Kaliningrad Oblast, Russia, located on the coast of the Baltic Sea on the Sambia Peninsula, 39 kilometers northwest of Kaliningrad. In the 2021 census, it had a population of: 16,099 ;.