<human>:  Why is it called the Biennale of Sydney?
<bot>: Biennale is a French word meaning “a festival held every two years”. The Biennale of Sydney is an international art exhibition held every two years in Sydney, Australia. It was founded in 1990 and is currently in its 22nd year. It is held at the Art Gallery of New South Wales, which is located in the city of Sydney. The Art Gallery of New South Wales is the largest art gallery in Australia.