Priozersk is a town and the administrative center of the Priozersky District in Leningrad Oblast, Russia. It is situated on the Karelian Isthmus at the northwestern shore of Lake Ladoga, specifically located at the estuary of the northern armlet of the Vuoksi River.
The town is served by a railway station of the same name on the St. Petersburg—Khiytola line. According to the 2021 census, the population of Priozersk was 18,777.