Bicocca is a district ("quartiere") of Milan, Italy, part of the Zone 9 administrative division. It was incorporated in the city in 1841. The main historic landmark of the district is the 15th century . In the last decades of the 20th century, the district has been subject to a major requalification project that led to the construction of important facilities such as the University of Milan Bicocca seats and the Teatro degli Arcimboldi theatre.