Anastasian Wall

Anastasius Suru, Ἀναστάσειον Τεῖχος

it was a defensive wall built in the 5th century to protect Constantinople from barbarian attack from the west. It ran for 56 km from Evcik on the Black Sea coast right across the Thracian peninsula to Silivri on the Marmara coast. Unlike the better-known Hadrian's Wall in England, it was neither well-constructed nor well-garrisoned, so the barbarians gleefully overran it, and it was abandoned in the 7th century. Much of the stone was looted or recycled for later buildings, and little remains of its southern half. The northern half has lasted better, with little forts and substantial masonry, such as the section leading to Evcik Beach.

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