Gromo (Bergamasque: Gróm) is a comune (municipality) in the Province of Bergamo in the Italian region of Lombardy, located about 80km northeast of Milan and about 35km northeast of Bergamo. As of 31 December 2004, it had a population of 1,246 and an area of 20.0km2. The municipality of Gromo contains the frazioni (subdivisions, mainly villages and hamlets) Boario, Spiazzi, Ripa, Nasolino, and Oneta. Gromo borders the following municipalities: Ardesio, Gandellino, Oltressenda Alta, Valbondione, Valgoglio, Vilminore di Scalve.
