Theodosian Walls — Constantinople's Ancient Defenses
Walk along the 1,600-year-old walls that protected Constantinople for a millennium, stretching 6.5 km from the Sea of Marmara to the Golden Horn.
History
Built by Emperor Theodosius II in 413 AD, these triple-layered walls with 96 towers protected Constantinople for over 1,000 years. They were breached only once — by Ottoman Sultan Mehmed II in 1453 using massive cannons. The walls are a UNESCO World Heritage Site.
Walking the Walls
The best-preserved sections are near Yedikule (Seven Towers Fortress) and Edirnekapı. You can walk along portions of the walls and climb some towers. The Yedikule Fortress is worth entering for its dungeon history and panoramic views. The area around Edirnekapı also has the Chora Church (Kariye) and
Visiting Info
The walls are free to walk along at any time. Yedikule Fortress: open daily 9:00-17:00, ticket approximately 60 TL. Access via metro to Yedikule or bus to Edirnekapı. This is an off-the-beaten-path experience — very few tourists venture here.