Sydney Opera House is the UNESCO World Heritage Site in Australia known for its sail-shaped performing-arts building in Sydney Harbour.
The Sydney Opera House stands on Bennelong Point, close to the central waterfront of Sydney. Danish architect Jørn Utzon designed its distinctive roof forms, which resemble sails or shells. The building became one of the clearest examples of twentieth-century architecture gaining World Heritage recognition.
Construction began in 1959, and the building officially opened on 20 October 1973. Its complex roof geometry and large cultural ambitions made it an important engineering and architectural project. The site includes concert, theatre, opera, and other performance spaces rather than being a single-purpose hall.
The Opera House was inscribed on the UNESCO World Heritage List in 2007. It is sometimes confused with the nearby Sydney Harbour Bridge, but the bridge is not the World Heritage property. The Opera House’s significance comes from its architectural design, construction history, and influence on modern building design.