List of sieges of Constantinople
- Achaemenid Empire
- Black Sea
- Bosporus
- Byzantium
- Constantine the Great
- Empire of Nicaea
- Fall of Constantinople
- Fourth Crusade
- Free city (classical antiquity)
- Istanbul
- Latin Empire
- New Rome
- Occupation of Istanbul
- Otanes (son of Sisamnes)
- Ottoman Empire
- Roman Empire
- Roman Republic
- Sack of Constantinople
- Sea of Marmara
- Septimius Severus
- Silk Road
- Turkey
- Turkish people