One of the surviving finds of the Roman period are the baths in the "Cave of Sylla". Located behind the spa EOT near the church of Saints Anargiron the settlement of Edipsos . The " cave " Sylla is a small building with a dome . The entire building is covered with deposits of sulfur water gushing in and gives the impression that this is the cave entrance . At the entrance of the " cave " are two massive pedestals of statues with inscriptions in honor of the Roman Emperor Hadrian and Septimius Severus dedicated by the municipality Istiaias . The first bears later inscription in honor of Emperor Constantine of Byzantium . The " cave " was associated with the Roman general Sulla , who was visiting the spa treatment .