City of London London borough, a status reserved for the other 32 districts (including London's only other city, the City of Westminster). It is also a separate county of England, being an enclave surrounded by Greater London. It is the smallest county in the United Kingdom. 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 in area. Both of these terms are also often used as metonyms for the United Kingdom's trading and financial services industries, which
City of London households and the lowest average household size: just 1.58 people. It also ranked highest within the Greater London area for the percentage of people with no religion and people who are employed. The City vies with New York City's Downtown Manhattan as the financial capital of the world; many banking and insurance institutions have their headquarters there. The London Stock Exchange (shares and bonds), Lloyd's of London (insurance) and the Bank of England are all based in the City. Over 500 banks have offices in the City, and the City is an established leader in trading in Eurobonds, foreign exchange,