Tower of London Tower of London The Tower of London, officially Her Majesty's Royal Palace and Fortress of the Tower of London, is a historic castle located on the north bank of the River Thames in central London. It lies within the London Borough of Tower Hamlets, separated from the eastern edge of the square mile of the City of London by the open space known as Tower Hill. It was founded towards the end of 1066 as part of the Norman Conquest of England. The White Tower, which gives the entire castle its name, was built by William the Conqueror in 1078
Flag of the City of London it is hanging down (see below). This flag does not represent Greater London (which does not have its own flag, aside from the banner of the arms of the former Greater London Council), only the historical City of London which covers approximately . All references in this article relate to that city, not Greater London, unless specified. The flag is a banner of arms, derived from the city's coat of arms with the sword symbolising the sword that beheaded Saint Paul who is the patron saint of the city. Saint Paul has featured as a symbol of the city since