What was the istanbul called before the ottomans conquered the city in the 15th century?
a)cairo
b)baghdad
c)constantinople
d)jerusalem

The correct answer is - c) Constantinople.

Istanbul is a very old city that has had multiple names throughout the history. This city has always had huge importance in the region as it has an excellent strategic location.

The name that Istanbul had before the Ottoman Turks conquered it and renamed it as such, was Constantinople. The name Constantinople comes from the Emperor Constantine, which is considered as one of the greatest emperors of the Eastern Roman Empire, also known as Byzantine Empire.

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