The Ionian Islands, located off the west coast of mainland Greece in the Ionian Sea, represent a distinct and historically rich wine region. thanks to higher rainfall, which significantly influences their viticulture.

While wine production occurs on almost all the Ionian Islands, Kefalonia (Cephalonia) stands out as the leading producer in terms of quantity and international recognition. Other notable islands for wine include Zakynthos (Zante), Lefkada, and Corfu.