Othonoi (Greek: Οθωνοί, also rendered as Othoni, Ancient Greek: Ὀθρωνός, romanized: Othrōnós) is a small inhabited Greek island in the Ionian Sea, located northwest of Corfu, and is the westernmost point of Greece. Othonoi is the largest and most populated of the Diapontian Islands. Since the 2019 local government reform it is part of the municipality of Central Corfu and Diapontian Islands.
In the 19th century the island was the capital of the Diapontia Islands municipality, which also included nearby islands of Ereikoussa, Mathraki, islets and rocks of Diakopo, Diaplo, Karavi, Kastrino, Leipso, Ostrako, Plaka, Plateia and Tracheia. Othonoi is about 47 nautical miles from Santa Maria di Leuca cape, Italy.
