The 52-floor Isbank ("İş Bankası") Tower 1 was the tallest office building and fourth tallest skyscraper in Turkey and the Balkan peninsula (southeastern Europe).
The 52-floor Isbank ("İş Bankası") Tower 1 is the tallest of the three skyscrapers of the Türkiye İş Bankası headquarters in Levent, Istanbul. It was formerly the tallest skyscraper in Turkey and the Balkan peninsula (southeastern Europe).