Cazzago San Martino-Calino is a municipality located in the province of Bergamo, within the Lombardy region of northern Italy. It serves as a residential and administrative area situated in the foothills of the Prealps.
The town is characterized by its position in the Bergamo hinterland, blending rural landscapes with local infrastructure. Like many municipalities in this region, it maintains a distinct local identity while being integrated into the broader economic and cultural framework of Lombardy.