The archiepiscopal seminary of Milan is the seminary of Archdiocese of Milan. The first seminary back to the times of St. Charles Borromeo: the site opened in 1564. Under the bishopric of Federico Borromeo took final form the location of the venue corso Venezia, under the name of Seminary of Porta Orientale. Besides its headquarters in Milan, St. Charles built several locations in the large diocese. From 1638 to 1784 were seven: three in the city of Milan (the Seminary of Porta Orientale, the Seminary of Canonica, the Collegio Elvetico), four minor seminaries in Monza,Arona, Celana and Pollegio.