The Milan urban area includes the whole province of Milan and province of Monza e Brianza, 49 municipalities in province of Varese, 43 municipalities in province of Como and 45 municipalities in province of Lecco, in all 248 municipalities. The most important of these by population are Monza, Busto Arsizio and Sesto San Giovanni as shown in the next table.
The total land area of the greater urban area is 2944,53 km˛ with a population of 4.861.502, the first in Italy by population, the 27% of this coincides with the city of Milan (1.307.495). The density of Milan uran area is 1.651 ab/km˛ one of the most elevated in Europe.
The urban area is strictly statistical and does not imply any kind of administrative unity or function.