ISTANBUL Meaning of ISTANBUL in English Istanbul BrE AmE ˌɪst æn ˈbʊl ◂ -ɑːn-, ⇨-æm-, -ˈbuːl ˈ••• —Turkish İstanbul [ is ˈtɑn bul ] Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012