Septinsular Republic
The United States of the Ionian Islands (, ; ) was a Greek state and amical protectorate of Great Britain between 1815 and 1864. The successor state of the Septinsular Republic, it covered the territory of the Ionian Islands, in modern Greece, and was ceded to Greece as a gift of Britain to the newly-enthroned King George I after the resolution for union with Greece had been proposed by the Party of Radicals.