The flag of the Diapontian Islands bears a blue cross symbolizing Christianity on a red background. It is obviously inspired by the colors of the flag of the Ionian Islands under British Empire and later of Corfu.
In the center dominates the letter "Δ" (D) representing the word "Diapontia" which is surrounded by laurels which symbolizes the fraternal relations between the inhabitants of the Diapontian Islands. Above the laurels there are three gold-colored stars representing each Diapontian Island.
It is a flag that was displayed on all three Diapontia Islands of Corfu unit, Greece, (Othonoi, Mathraki, Ereikoussa) and it was also carried by many ships of the merchant fleet of the Diapontia Islands at the end of the 19th Century until the beginning of the 20th. The Diapontian people have a long maritime shipping history. Many men engaged in shipping (1880-1990). It is under use until today. Alexandros Katechis, 28 December 2022