Anonymous Throne room at the Topkapi Palace in Istanbul, vintage print, albumen paper,+- 19.5 x 25.5 cm. Note: Topkapı Palace (Turkish: Topkapı Sarayı or Ottoman Turkish طوپقپو سرايى) is a palace in Istanbul, Turkey. From 1465 to 1853, it was the principal and official city residence of the Ottoman Sultan. The palace was built on the site of the acropolis of ancient Byzantium. Expertise: Philippe Ventimaux.