sultan kingThe Sultan of Brunei is the monarchical head of state of Brunei and head of government in his capacity as prime minister of Brunei. [1] Since independence from the British in 1984, onlyThe Sultan of Perak (Malay: Sultan Perak, Jawi: سلطان ڤيراق) is the constitutional monarch and head of state of the Malaysian state of Perak.It is one of the oldest hereditary seats among