Topkapı Palace (Topkapı Sarayı in Turkish) is one of the world’s most iconic historical landmarks, located in Istanbul, Turkey. Constructed in 1459 under Sultan Mehmed the Conqueror, it served as the primary residence and administrative center of the Ottoman sultans for nearly 400 years (until the mid-19th century).

Today, it is a UNESCO World Heritage Site and a major museum, attracting millions of visitors annually.