The Turin metropolitan area is the urban agglomeration centred on the city of Turin in the Piedmont region of north-west Italy. It is defined statistically and does not correspond to a single area of local government. Administratively it comprises the comune (municipality) of Turin plus 52 further communes, all of which fall within the Province of Turin.
The metropolitan area has a total population of 1,700,000 estimated by the OECD and an area of 1.127 km², giving a density of 1,512 people per square kilometre. It is the fourth most populous metropolitan area in Italy. 52% of the population lives within the city of Turin.
The Turin metropolitan area includes the city of Turin and 52 municipalities, the most important of these by population are Turin, Moncalieri, Rivoli, Collegno, Nichelino and Settimo Torinese:
This table shows the main Italian metropolitan areas ranked by population. The Turin metropolitan area lies in fourth place.