Baranzate, formerly a frazione of the neighboring comune of Bollate, is a comune in the Metropolitan City of Milan, in the Italian region of Lom…Baranzate, formerly a frazione of the neighboring comune of Bollate, is a comune in the Metropolitan City of Milan, in the Italian region of Lombardy, about 8 kilometres northwest of Milan. It was created in 2004 after its previous establishment, in 2001, was declared unconstitutional.