Nembro is a comune in the Province of Bergamo in the Italian region of Lombardy, located about 60 kilometres northeast of Milan and about 10 kilometres northeast of Bergamo, on the right bank of the Serio River.
Nembro borders the following municipalities: Albino, Algua, Alzano Lombardo, Pradalunga, Scanzorosciate, Selvino, Villa di Serio, Zogno.