Rocca de' Giorgi, the seat of an old parish church of the diocese of Piacenza, was fortified in the high middle ages, probably by an old gentleman by the name Aimerico. Actually, the place was mentioned as Rocca di Aimerico,. in 1164, as one of the lands of the Oltrepò that came under the dominion of Pavia. Places of interest • Church of San Michele Arcangelo