This monograph presents the results of the first planned archaeological excavations in the important Italo‐Greek Abbey of Grottaferrata that was founded near Rome by St. Nilus of Rossano in 1004 over the ruins of a grand Roman villa. The research focuses on the transformation of the settlement and on the social, economic and cultural dynamics from Late Antiquity to the Renaissance and it has revealed the existence of previously unknown Late Antique and Early Medieval sites. Pottery vessels made in Rome and in Southern Italy in the 11th - 12th centuries and walls made of Roman spolia...