A protectorate, in the context of international relations, is a state or dependent territory that foregoes an independent foreign policy and often defence in favour of treaty with a protecting power,
1 Sapèque – Protectorate of Tonkin (1905)
5000 kronen – Protectorate of Bohemia and Moravia (1939–1945)
The United States of the Ionian Islands was a Greek state and amical protectorate of the United Kingdom between 1815 and 1864. The successor state of the Septinsular Republic, it covered the territory
Protectorate
…over which it held (de facto) regional influence by protective or "raw" power. In an amical protection—as in the UK's previous relationship with the United States of the Ionian Islands from 1815 to 1864—the terms are often very favourable for the protectorate. Frequently established in the Early-Mid Modern period, the political interest…
The 17-member Ionian Senate met in this room in the Palace of St. Michael and St. George, Corfu