Anastasian Wall

The Anastasian Wall (Ancient Greek: Ἀναστάσειον Τεῖχος, Anastáseion Teîchos; Turkish: Anastasius Suru) or the Long Walls of Thrace (Greek: Μακρὰ Τείχη τῆς Θράκης, Makrà Teíchē tês Thrákēs) or simply the Long Wall (Ancient Greek: Μακρὸν τεῖχος; Turkish: Uzun Duvar) is an ancient stone and turf fortification located 64 km (40 mi) west of Constantinople, built by the Eastern Roman Empire during the late 5th century.