The Parliament of New South Wales, located in Parliament House on Macquarie Street, Sydney, is the main legislative body in the Australian state of New South Wales (NSW). The Parliament derives its authority from the Queen of Australia, Her Majesty Queen Elizabeth II, represented by the Governor of New South Wales, who chairs the Executive Council of New South Wales. It consists of a lower house, the New South Wales Legislative Assembly, and an upper house, the New South Wales Legislative Council. Each house is directly elected by the people of New South Wales at elections held approximately every four years.