The Diapontian Islands or Diapontia Islands (Greek: Διαπόντια Νησιά, romanized: Diapontia Νisia, also known as Othonoi Islands (Greek: Νήσοι Οθωνοί, romanized: Νisoi Othonoi) are a Greek island group in the Ionian Sea. They are located the northwest of Corfu. The main and the only inhabited islands of the archipelago are Othoni, Ereikoussa and Mathraki. The complex includes also the islets and rocks of Diakopo, Diaplo, Karavi, Kastrino, Leipso, Ostrako, Plaka, Plateia and Tracheia. The largest island is Othoni, with an area of 10.8 km2 and it's the most populated with 457 inhabitants according to the 2021 census. The islands are the westernmost point in Greece and administratively belong to Corfu regional unit. The islands today are a tranquil place for holidays.

Diapontian Islands - Wikipedia