Azure was a planet which was home to a human colony. In 2116, Tryst, with the aid of Dymond, attempted to smuggle vraxoin to Azure. They were arrested by Fisk and Costa, with the aid of the Fourth Doctor, Romana II and K9. (TV: Nightmare of Eden) In 2157, Azure was attacked by the Daleks shortly before their invasion of Earth. (PROSE: Lucifer Rising)