As of December 31, 2011, the main commune by population are:
The Bergamo Alps and some hills cover the territory of the province, and the most important body of water is the glacial Lake Como. Como is also famous because it is the city of Alessandro Volta, inventor of the electric battery in 1800.
Alserio is a comune (municipality) in the Province of Como in the Italian region Lombardy, located about 35 km north of Milan and about 10 km southeast of Como. As of 31 December 2004, it had a population of 1,127 and an area of 1.9 km².
Alserio borders the following municipalities: Albavilla, Anzano del Parco, Monguzzo, Orsenigo.