<Tr> <Th> Patron saint </Th> <Td> St. Paul </Td> </Tr> <Tr> <Th> Website </Th> <Td> cityoflondon.gov.uk </Td> </Tr> <P> The City of London is a city and county that contains the historic centre and central business district of London . It constituted most of London from its settlement by the Romans in the 1st century AD to the Middle Ages, but the agglomeration has since grown far beyond the City's borders . The City is now only a tiny part of the metropolis of London, though it remains a notable part of central London . Administratively, it forms one of the 33 local authority districts of Greater London; however, the City of London is not a London borough, a status reserved for the other 32 districts (including London's only other city, the City of Westminster). </P> <P> The City of London is widely referred to simply as the City (differentiated from the phrase "the city of London" by capitalising City) and is also colloquially known as the Square Mile, as it is 1.12 sq mi (720 acres) in area . Both of these terms are also often used as metonyms for the United Kingdom's trading and financial services industries, which continue a notable history of being largely based in the City . The name London is now ordinarily used for a far wider area than just the City . London most often denotes the sprawling London metropolis, or the 32 London boroughs, in addition to the City of London itself . This wider usage of London is documented as far back as 1888, when the County of London was created . </P>

The difference between london and the city of london
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