2. HISTORİCAL PLACES İN İSTANBUL Topkap i is a palace in Istanbul, which was the official and primary residence in the city of the Ottoman sultans .
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4. MADİEN’S TOWER Maiden's Tower, also known as Leander's Tower ( Towe r of Leandros ), sits on a small isl and located in the Bosphorus , Turkey .
5. GALATA TOWER The Galata Tower , also called the Tower of Christ is a medieval stone tower in the Galata district of Istambul. From this tower you can have a panoramic vista of Old Istanbul and its environs.