Istanbul: History, Former Names & Timeline
Guarding the Bosporus and straddling Europe and Asia, it was for some sixteen centuries the capital of the Roman, Byzantine and Ottoman empires.
Explore Istanbul in the interactive map
Former names of Istanbul
| From | Name | Note |
|---|---|---|
| 667 BC | Byzantion | founded by Greek colonists from Megara |
| AD 330 | Constantinopolis | Constantine the Great's “New Rome” |
| 1453 | Kostantiniyye / İstanbul | Ottoman capital |
| 1930 | İstanbul | official Turkish name |
Timeline of Istanbul
| Year | Event |
|---|---|
| 667 BC | Colonists from Megara found Byzantion |
| AD 330 | Constantine I makes it his capital, the “New Rome” |
| AD 537 | Justinian's rebuilt Hagia Sophia is completed |
| 1204 | The Fourth Crusade storms and sacks Constantinople and founds the Latin Empire |
| 1261 | Michael VIII recovers Constantinople |
| 1453 | Mehmed II takes Constantinople; the Byzantine Empire falls |
| 1923 | The Turkish Republic moves its capital to Ankara |
Who ruled Istanbul
Derived from the border maps; each row runs until the next recorded border change.
| Period | State |
|---|---|
| 500 BC–324 BC | Achaemenid Empire |
| 323 BC–301 BC | Cappadocia |
| 300 BC–201 BC | Bithynia |
| 200 BC–2 BC | minor states |
| 1 BC–299 | Roman Empire |
| 300–399 | Rome (Diocletianus) |
| 400–799 | Eastern Roman Empire |
| 800–1399 | Byzantine Empire |
| 1400–1919 | Ottoman Empire |
| 1920–1929 | Unclaimed / no data |
| 1930–1937 | Republic of Turkey |
| 1938–today | Turkey |
Landmarks in and around Istanbul
Hagia SophiaStanding · AD 537
Great Palace of ConstantinopleLost · AD 330