Example image of eyePlorer eyePlorer map for 'Middlesex': Historic counties of England List of counties of England by area in 1831 City of London London Metropolitan Board of Works County council County of London Interwar period Second Industrial Revolution World War II Greater London Hertfordshire Royal Commission on Local Government in Greater London Surrey Postal counties of the United Kingdom Middle Saxons London Basin River Thames River Colne, Hertfordshire River Lee (England) The Boat Race Forest of Middlesex Bushey List of highest points in London Domesday Book Edmonton (hundred) Elthorne (hundred) Gore (hundred) Hundred (country subdivision) Isleworth (hundred) Ossulstone Spelthorne (hundred) Westminster Liberty of Westminster Finsbury division Holborn division Kensington division Tower division Parliamentary representation from Middlesex Earl of Middlesex Highgate East End of London Metropolitan Police District Metropolitan Police Service Improvement commissioners Municipal Corporations Act 1835 Local Government Act 1888 City of Westminster Inner London London Borough of Camden