Programme and Αbstracts of Major Papers and Communications. Special Scientific Topic: The Transition from Late Antiquity to Medieval Byzantium, 6^th-9^th Century. Athens, May 13-15, 2011. Byzantine and Christian Museum. 22, Vas. Sofias Ave. Organising Committee: Nikolaos GKIOLES; Anastasia DRANDAKI; Sophia KALOPISSI-VERTI; Maria PANAYOTIDI; Titos PAPAMASTORAKIS(✝). Printing: S. Athanasopoulos & Group E.E.; Athens 2011.