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Puerta Dorada (Porta Aurea)
Constantinople's grand ceremonial gateway, a three-arched triumphal arch of polished white marble blocks, flanked by two massive square towers, reserved for imperial processions.

Fortaleza de Yedikule
Built in 1458 by Sultan Mehmed II, this near-pentagonal fortress of seven towers served as an imperial treasury and later a notorious state prison beside the Sea of Marmara.

Puerta de Adrianópolis (Edirne Kapı)
Set at the highest point of the Theodosian Walls, 76 metres above sea level, this gate once linked Constantinople to the road north-west towards Adrianople (modern Edirne).

Muralla de Manuel Comneno
A 12th-century defensive wall built by Emperor Manuel I Komnenos, stretching 220 metres from the Theodosian Walls — one of Constantinople's finest examples of military architecture.

Prisión de Anemas
Situated at the northern end of the Blachernae Walls where they meet the Golden Horn coastal plain, this prison formed a vital link between the final stretches of Constantinople's land defences.

Torre de Mármol (Mermer Kule)
Marking the southern end of Constantinople's land walls at the Sea of Marmara, this tower — also known as the Tower of Basil and Constantine — served as a bulwark, barracks and prison.

Muralla de León (Blaquernas)
Built by Leo V the Armenian in 813 to counter the Bulgarian threat, this outer wall of the Blachernae double enclosure was later extended southwards by his successor Michael II.
- 1.Puerta Dorada (Porta Aurea)
- 2.Fortaleza de Yedikule
- 3.Puerta de Adrianópolis (Edirne Kapı)
- 4.Muralla de Manuel Comneno
- 5.Prisión de Anemas
- 6.Torre de Mármol (Mermer Kule)
- 7.Muralla de León (Blaquernas)
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