The London Borough of Tower Hamlets is a London borough to the east of the City of London, England and north of the River Thames in East London, taking in much of the East End. It includes much of the redeveloped Docklands region of London, including West India Docks and Canary Wharf. Many of the tallest buildings in London are located on the Isle of Dogs in the south of the borough. Tower Hamlets is one of five London boroughs which have been designated host boroughs for the 2012 Summer Olympics.