Byzantium.
Byzantium was the original name of Constantinople. It is now Istanbul.
The former name for the Turkish capital city of Istanbul is spelt Constantinople.
The former name of Istanbul is: Constantinople Before is was renamed Constantinople (in honor of the Roman emperor Constantine, this city was called Byzantium and New Rome).
Constantinople is the former name of the city of Istanbul which is the capital of Turkey. The name change was after the Republic of Turkey was established in 1923.
constantinople
Before Constantinople was eventually named, it had been called the "New Rome" by Constantine himself. Prior to that, it used to be known as "Augusta Antonina" named after the wife of Roman emperor Septimus Severius. And before that, it was "Byzantium", meaning the city of Byzas.
Istanbul
The ancient city of Constantinople has morphed into Istanbul.The ancient city of Constantinople has morphed into Istanbul.The ancient city of Constantinople has morphed into Istanbul.The ancient city of Constantinople has morphed into Istanbul.The ancient city of Constantinople has morphed into Istanbul.The ancient city of Constantinople has morphed into Istanbul.The ancient city of Constantinople has morphed into Istanbul.The ancient city of Constantinople has morphed into Istanbul.The ancient city of Constantinople has morphed into Istanbul.
Constantinople was the prior name of the city of Istanbul, I don't believe it had a 'definition' other than 'large city'.
When the Ottoman Turks conquered Constantinople, they renamed the city Istanbul. The city still retains that name, Istanbul, Turkey.
The Republic Of Turkey was founded in 1923 when Mustafa Kemal Ataturk and his followers overthrew the corrupt rulers of the Ottoman Empire. The Ottoman Empire was the predecessor of modern day Turkey.
Old Constantinople, long known informally as Istanbul, officially adopted the name in 1930.
Byzantium.