Istanbul, also known by its historical names of Constantinople, Byzantium, Byzantion, or Byzanthium, is the Byzantine and Ottoman capital and a Greek, Roman, and Turkish city in the Civilization and Call to Power games. In real life, it is the largest city in and economic, cultural, and historic hub of present-day Turkey, lies in both Europe and Asia because of its position on the Bosporus Strait, and is home to the Hagia Sophia.
In scenarios, it may appear as a Macedonian city in Rise of Rome and a Western Roman city in Fall of Rome.