HMAS Kuttabul is the Royal Australian Navy's primary naval base {Fleet Base East} on the east coast of Australia. It is located on Garden Island in Sydney, New South Wales. The administrative, training and logistics support centre is situated south of Garden Island in the suburb of Potts Point. The base is named for the steam ferry HMAS Kuttabul that was sunk while docked at Garden Island during the Japanese midget submarine attack on Sydney Harbour in 1942.