Istanbul is a city itself not a country, is it does not have a capital. However, it used to be the capital of Ottoman and Byzantine Empires consecutively. After the Republic of Turkey was established the capital of the new republic was moved to Ankara, so Istanbul currently is not a capital of any country either.
Istanbul, formerly Constantinople, is a principal city of the Turkish Republic.
(The capital of Turkey was moved to Ankara.)
Istanbul was once called Constantinople and before that Byzantium.
It is istanbul
Istanbul used to be called Byzantium and Constantinople. The city was once home to the capital of the Roman Empire and at one time the Ottoman Empire. Today it is the 20th most populated city in the world.
Istanbul. Emperor Constantine made it the capital in about 330. It was at first called New Rome and later Byzantium. For many centuries it was also called Constantinople.
Byzantium, Constantinople
There is no state in Turkey,İstanbul is not a state so there is no capital. There are 81 cities in Turkey and İstanbul is one of them.
Istanbul is a type of snake.
Istanbul is not the capital of Turkey. Ankara is the capital of Turkey.
Istanbul, TurkeyOriginally Constantinople was called Byzantium.EmperorConstantinethe Great redeveloped, turned into the capital of the eastern part of the Roman empire and renamedConstantinople When the Turks captured the town which led to the downfall of the Byzantine Empire they renamed it Istanbul.
Constantinople
There are two problems. First, Constantinople is a city. Second, it is no longer called Constantinople; it is Istanbul. As the song goes, "If you have a date in Constantinople, you will find her in Istanbul."
Istanbul became the capital of the Ottoman Empire in 1453.