The province of Como (Italian: provincia di Como; Comasco: pruincia de Comm) is a province in the region of Lombardy in Italy. It borders the Swiss cantons of Ticino and Grigioni to the north, the Italian provinces of Sondrio and Lecco to the east, the province of Monza and Brianza to the south and the province of Varese to the west.
It has a population of 598,562 in an area of 1,279.04 square kilometres (493.84 sq mi) across its 147 municipalities.
The city of Como is its capital—other large towns, with more than 10,000 inhabitants, include Cantù, Erba, Mariano Comense and Olgiate Comasco.
Campione d'Italia also belongs to the province and is enclaved in the Swiss canton of Ticino. The Lugano Prealps cover the territory of the province, and the most important body of water is the glacial Lake Como.
Contents
Municipalities
The province has 147 municipalities:
Demographics
As of 2026, the population is 598,562, of which 49.4% are male, and 50.6% are female. Minors make up 14.6% of the population, and seniors make up 24.9%.
Immigration
As of 2025, immigrants make up 12.0% of the population. The 5 largest foreign countries of birth are Romania, Morocco, Albania, Switzerland, and Ukraine.
Government
Transport
Motorways
The province is crossed by the following motorways (in Italian, autostrade):
Autostrada A9: Lainate-Como
Autostrada A36: Cassano Magnago-Lentate sul Seveso
Autostrada A59: Villa Guardia-Albese con Cassano
Railway lines
Milan–Chiasso railway
Saronno–Como railway
Milan–Asso railway