View of Sydney Opera House from the water. The Sydney Opera House is a multi-venue performing arts centre in Sydney, New South Wales, Australia. It is one of the 20th century's most famous and distinctive buildings. Designed by Danish architect Jørn Utzon, the building was formally opened on 20 October 1973. The building and its surrounds occupy the whole of Bennelong Point on Sydney Harbour, between Sydney Cove and Farm Cove, adjacent to the Sydney central business district and the Royal Botanic Gardens, and close by the Sydney Harbour Bridge. On 28 June 2007, the Sydney Opera House became a UNESCO World Heritage Site.