Senago is a comune in the Province of Milan in the Italian region Lombardy, located about 13 kilometres north of Milan. As of 31 December 2004, it had a population of 20,199 and an area of 8.6 square kilometres.Senago borders the following municipalities: Limbiate, Cesate, Paderno Dugnano, Garbagnate Milanese, Bollate.The Villa San Carlo Borromeo in Senago: