The City of London, and more informally, the City or the Square Mile, because its surface is about 1 square mile or 2.6 square kilometers, is a small area in Greater London. The modern conurbation of London developed around the City and the nearby city of Westminster, which is the center of royal government. The city of London is the main business district of the region, and most important in Europe.

 City of London. Square Mile.
City of London. Square Mile. ( Num ref.: 6845m )
 City of London. Square Mile.
City of London. Square Mile. ( Num ref.: 6871m )
 City of London. Square Mile.
City of London. Square Mile. ( Num ref.: 6862m )
 City of London. Square Mile.
City of London. Square Mile. ( Num ref.: 6849m )
 City of London. Square Mile.
City of London. Square Mile. ( Num ref.: 6858m )
 City of London. Square Mile.
City of London. Square Mile. ( Num ref.: 6842m )