What is the population of the 3 largest cities in Italy?

um the the metropolitan area of Milan is the biggest, with a population of 7.4 million.er..the second biggest city in Italy is milan its population is 1,303,437 (acc. to 2006 census).and finaly the third biggest city is city is rome (the capital) its population is - over 2.7 million residents in a municipality of some 1,285.3 km2 (496.3 sq mi), while the population of the urban area is estimated by Eurostat to be 3.46 million