Bresso is a municipality (comune) located in the Lombardy region of northern Italy. It is situated within the Metropolitan City of Milan, positioned approximately 8 kilometres north of the city of Milan.
As of 2025, the municipality has a population of 26,530 inhabitants. With a population density of 7,849 persons per square kilometre, Bresso is recognized as the most densely populated municipality in Italy outside of the Province of Naples.