The Ionian Islands Region (/aɪˈoʊniən/ eye-OH-nee-ən; Greek: Περιφέρεια Ιονίων Νήσων, romanized: Periféria Ioníon Níson, [periˈferia ioˈnion ˈnison]) is the smallest by area of the thirteen administrative regions of Greece located in the Ionian Sea.

However, the GDP per capita of Cephalonia and Zante, 23,275 and 24,616 respectively, was much higher than the national figure.

The airports of Corfu, Zante and Cephalonia were in the top ten in Greece by number of international arrivals, with 1,386,289 international arrivals for 2012, with Corfu being the sixth airport by number of arrivals nationwide, while Zante and Cephalonia also being in the top ten.

[8][9] The region was established in the 1987 administrative reform, comprising the prefectures of Corfu, Kefalonia and Ithaca, Lefkada and Zakynthos.

Along with West Greece and Peloponnese regions, it is supervised by the Decentralized Administration of the Peloponnese, West Greece and the Ionian Islands based at Patras.