Vistonida
Vistonida is a former municipality in the Xanthi regional unit, East [Macedonia and Thrace], Greece. It was named after Lake Vistonida. Since the 2011 local government reform it is part of the municipality Abdera, of which it is a municipal unit. The municipal unit has an area of 159.524 km2. Population 9,730. The seat of the municipality was the town Genisea.