The Sultan of Terengganu
Main article: Sultan of Terengganu
The Sultan is the constitutional Ruler of the state of Terengganu. The State Constitution proclaims that the Sultan is "the Ruler and fountain head of all authority of government in the State and Territory of Terengganu", the Head of the Religion of Islam in the state and the source of all titles, honours and dignities in the state. He is also vested with the Executive Power of the State. The hereditary Sultan of Terengganu since 1998 has been Sultan Mizan Zainal Abidin.