 tenth) is still attached to the Pieve di Santa Cecilia a Decimo (a parish church near San Casciano which was mentioned in 1043 in a document by Charlemagne) and commemorates a milestone (decimum lapidem) on an important Roman road (probably that linking Florentia and Sena Julia).Archaeological findings and toponymic evidence are clear evidence of the town’s antiquity, and that there was a significant population is indicated by the large number of parish churches in the area (e.g.Pieve di Santa Cecilia a Decimo, Pieve di San Pancrazio, Pieve di San Giovanni in Sugana and Pieve di Santo Stefano a Campoli), not to mention the significant number of subordinate churches.