Two of London's 33 districts are cities: the City of London (the historic centre including Smithfield and Holborn) and which other?
Giltspur Street: Giltspur Street is a street in Smithfield in the City of London, running north-south from the junction of Newgate Street, Holborn Viaduct and Old Bailey, up to West Smithfield, and it is bounded to the east by St Bartholomew's Hospital. City of 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).
i don't know