Brenta is a comune in the Province of Varese in the Italian region Lombardy, located about 60 kilometres northwest of Milan and about …Brenta is a comune in the Province of Varese in the Italian region Lombardy, located about 60 kilometres northwest of Milan and about 15 kilometres northwest of Varese. Brenta borders the following municipalities: Azzio, Casalzuigno, Castelveccana, Cittiglio, Gemonio.