sultan kingNote that while a sultan is the king of an Islamic state, similar to the way a European king was the ruler (in the Middle Ages) of a CatholicChristian state, an EmirThe Sultanate of Ternate (Jawi: کسلطانن ترناتي ), previously also known as the Kingdom of Gapi, [1] is one of the oldest Muslim kingdoms in Indonesia besides the sultanates of Tidore, Jailolo,