Is‧tan‧bul /ˌɪstænˈbʊl/
a large city and port in northwest Turkey, at the point where Europe joins Asia. From 330 AD to 1923 it was called Constantinople, and before that it was known as Byzantium. It is the largest city in Turkey, but it is not the capital city (which is Ankara).

[TahlilGaran] Dictionary of Contemporary English ▲