List of metropolitan areas of Italy
The Metropolitan areas of Italy are statistical areas denoting a region consisting of a densely populated urban core and its less-populated surrounding territories in the Italian republic. Since in Italy there is no unique definition of metropolitan area, below are given definition according to several sources.
Metropolitan areas according to alternative studies
Data by OECD| City | Pop. World Rank | Population | Area | Density | GDP 2010 | GDP per capita 2010 |
| Bari | 200 | 744,564 | 1,100.98 | 676.88 | 12,166.99 | 21,053.84 |
| Bologna | 195 | 778,849 | 2,036.19 | 376.00 | 28,942.43 | 38,835.60 |
| Catania | 229 | 656,610 | 609.35 | 1,028.40 | 11,189.23 | 17,943.80 |
| Florence | 190 | 807,673 | 1,737.87 | 486.12 | 24,888.82 | 34,416.56 |
| Genoa | 203 | 706,159 | 1,113.59 | 633.10 | 22,109.58 | 30,872.44 |
| Milan | 24 | 4,060,624 | 2,637.77 | 1,539.41 | 180,506.08 | 44,452.79 |
| Naples | 32 | 3,552,568 | 1,558.57 | 2,279.37 | 61,820.42 | 17,401.62 |
| Palermo | 145 | 1,035,921 | 835.58 | 1,120.08 | 18,492.21 | 19,758.31 |
| Rome | 26 | 4,008,095 | 5,686.46 | 704.84 | 142,053.82 | 35,441.73 |
| Turin | 72 | 1,747,614 | 1,781.34 | 981.06 | 54,538.34 | 31,207.31 |
| Venice | 259 | 541,969 | 1,089.17 | 497.59 | 17,097.93 | 31,547.79 |
Data by Global MetroMonitor
| City | Population | GDP 2012 | GDP per capita 2012 | Employment |
| Bologna | 836,014 | 32.8 | 39,194 | 441,099 |
| Florence | 1,490,636 | 51.6 | 34,640 | 710,932 |
| Genoa | 911,726 | 30.1 | 33,003 | 381,883 |
| Milan | 7,626,467 | 289.3 | 37,938 | 3,588,796 |
| Naples | 4,460,993 | 83.6 | 18,749 | 1,286,022 |
| Rome | 4,328,236 | 167.8 | 38,765 | 2,086,794 |
| Turin | 2,338,339 | 76.6 | 32,775 | 1,071,747 |
| Venice | 1,642,986 | 57.9 | 35,252 | 769,887 |
Urban Outlook 2015 by CityRailways
| City | Population January 1, 2014 | Area | Density |
| Milan | 6,623,798 | 4,450.11 | 1,488 |
| Naples | 5,294,546 | 3,116.52 | 1,699 |
| Rome | 4,447,881 | 3,340.41 | 1,332 |
| Turin | 1,865,284 | 1,328.40 | 1,404 |
| Venice-Padua | 1,645,900 | 2,063.44 | 768 |
| Florence | 1,485,030 | 2,124.22 | 699 |
| Bari | 1,257,459 | 2,194.62 | 573 |
| Palermo | 1,183,084 | 1,237.26 | 956 |
| Catania | 988,240 | 771.32 | 1,281 |
| Brescia | 924,090 | 1,287.18 | 718 |
| Genoa | 861,318 | 721.81 | 1,193 |
| Messina-Reggio Calabria | 828,507 | 1,405.42 | 590 |
| Rimini | 748,352 | 927.20 | 807 |
| Bologna | 692,710 | 1,034.18 | 670 |
| Modena | 588,998 | 964.48 | 611 |
| Verona | 583,069 | 862.26 | 676 |
| Pisa-Livorno | 571,559 | 1,079.84 | 529 |
| Pescara | 529,070 | 979.88 | 540 |
| Versilia | 522,092 | 696.73 | 749 |
| Vicenza | 480,392 | 691.38 | 695 |
| Cagliari | 452,816 | 895.28 | 506 |
| Taranto | 439,730 | 1,000.65 | 439 |
| Trieste | 409,905 | 572.58 | 716 |
| Ancona | 408,358 | 854.48 | 478 |
| Perugia | 348,952 | 1,135.07 | 307 |
| Lecce | 345,476 | 768.65 | 449 |
| Reggio nell'Emilia | 307,817 | 658.75 | 467 |
| Parma | 305,826 | 682.46 | 448 |