The city of Dyrrah was surrounded by the surrounding walls of late antiquity, built in the V century from the Byzantine emperor Anastasius I. The plan of the fortification has the shape of an irregular trapezoid 1200 m long and 1600 m wide, with an area of 100 ha. The wall, 2.20 m wide, consisted of a superstructure and a stone plinth. The masonry above the
xokol was originally made of adobe*, but from the beginning of the III century BC, it was replaced by a brick
wall bound with mud mortar. The walls of Anastas were the basis of the fortifications of Durrës in the Middle Ages and the Ottoman occupation.
Further interventions were made by Emperor Justinian I, Charles I of Anjou in the XIII century and Charles Topia in the XIV century. Meanwhile, under the Venetian occupation, interventions were made with circular towers.