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Series Number
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421
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Title
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Casale Tricosto (Capalbio, GR):
da mansio romana a chiesa nell’antico ager Cosanus
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Date of Publication
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2018
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Abstract
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Roman baths and a medieval church have been found at Casale Tricosto in the ancient ager Cosanus (central Italy). The former was within a 3rd c. AD mansio along a road connecting the two major routes, the via Aurelia Nova and the via Clodia. This trasformation, as well as the nearby statio Ad Nonas, could be connected with the organisation of the cursus publicus. The presence of the res Caesaris, the imperial estates attested from the end of 1st – the early 2nd c. AD in the ager Cosanus and in the Giglio and Giannutri islands, seems to have boosted this process. In the medieval period, a church, possibly dedicated to S. Frediano, was built on the ruins of the roman baths. It is mentioned within literary sources as a property owned by the monastery of Sant’Anastasio alle Tre Fontane, as lying near a small lake, likely that of San Floriano, and the castle of Tricosto. The monastery owned the Cosa region, with Ansitonia as civitas, from the 1000 (or earlier) -1700 c. AD, inheriting a territorial unit of the former Roman res Caesaris.
