Considering population,the three biggest cities are Moscow (8 297 000),London (7 074 000) & Sankt Petersburg (4 678 000 ).
The correct question is. . .what are the three biggest cities!!
Moscow, Istanbul, and London are the three largest cities in Europe.
MemphisNashvilleKnoxville
The three biggest cities in British Columbia are Vancouver, Surrey, and Burnaby.
MoscowSaint PetersburgNovosibirsk
Moscow,Russia London,England and St.Peters-burg,Russia.
Memphis, Nashville & Knoxville
Phoenix, Tucson and Mesa.
Honolulu, Hilo an Kailua.
they are seatle spokane and Olympia
The biggest cities in Florida are Jacksonville, Miami, and Tampa.
If you really mean London's three biggest cities, then there only three cities which comprise Greater London; The City of London, Westminster and Docklands. If you mean, what are England's three biggest cities, it partly depends on whether you mean a city's metropolitan area (including the suburbs) or just the central city. However, most measures give the following: London, Birmingham, Sheffield.