The O2 and Canary Wharf form the Royal Victoria Dock. Docklands is the semi-official name for an area in East and South East London, boroughs (Southwark, Tower Hamlets, Newham and Greenwich). The docks were formerly part of the Port of London, at one time the world’s largest port. They have now been redeveloped principally for commercial and residential use. There are many flats to rent in Canary Wharf.