Bollate is a comune in the Metropolitan City of Milan in the Italian region Lombardy, located about 10 kilometres northwest of Milan. As of 30 …Bollate is a comune in the Metropolitan City of Milan in the Italian region Lombardy, located about 10 kilometres northwest of Milan. As of 30 November 2017, it had a population of 36,488. Bollate borders the following municipalities: Paderno Dugnano, Senago, Garbagnate Milanese, Arese, Cormano, Novate Milanese, Baranzate, Milan.