Svetly is a town in Kaliningrad Oblast, Russia, located on the Sambia Peninsula on the coast of Vistula Lagoon, 30 kilometers west of Kalin…Svetly is a town in Kaliningrad Oblast, Russia, located on the Sambia Peninsula on the coast of Vistula Lagoon, 30 kilometers west of Kaliningrad. Population: 21,441 ; 21,375 ; 21,745 ; 19,936. The town is located on the bank of the Kaliningrad sea shipping channel connecting Kaliningrad with the Baltic Sea.