 Archaeological excavations have shown the presence of a Palaeo-Christian edifice in the area, built over civil Roman structures, which was later replaced by a larger church in the early Middle Ages (8th-9th centuries).The current construction, begun in the 10th century and renovated in the late 11th-early 12th centuries, has a basilica plan with a nave and two aisles.Unusual is the presence of apses the facade, probably built after the crumbling of the facade due to a flood of the Arno River.