Kerkini is an artificial lake that was formed in 1932 with the creation of a dam on the river Strymonas. In 1982, due to the reduction of the capacity of the lake due to the sludge from Strymon, a new dam was constructed. The extent of the lake varies from 54,250 to 72,110 acres . Depending on the season. It is a highly protected wetland and scenery of rare beauty overlooking Mount Belles and the Serres valley. Admiration causes riparian forests, water lilies, and the variety of fish that is also a source of income for many locals in the area.

It is 80 km from Thessaloniki and 35 km from Serres