Missouri Jefferson City is the world's biggest city in Missouri.
StockholmMalmo and Goteborg are the largest in population.
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.
The 4th biggest city in the US is Houston, Texas. The first three are (by order) New York, Los Angeles and Chicago.
Supposedly the three biggest celebrations are in LA, San Francisco, and NY city. What specifically are you asking about?
in Portugal the biggest city is lisbon the biggest city in portuguese is maior cidade
the biggest city is baghdad, I believe.
The biggest city in yemen is sanaá
Tokyo is the biggest city in Honshu.
Karachi i the biggest city of Pakistan
Muscat is the biggest city of Oman.
Boise is Idaho's biggest city.