Lake Kerkini (Greek: Λίμνη Κερκίνη - Limni Kerkini) is an artificial reservoir in Central Macedonia, Greece that was created in 1932, and then redeveloped in 1980, on the site of what was previously an extremely extensive marshland. Lake Kerkini is now one of the premier birding sites in Greece and, as it is situated along the migratory flyway for migratory birds en route to the Aegean Sea, the Balkan region, the Black Sea, the Hungarian steppes and beyond it experiences an interesting migration.