The Topkapı Palace, or the Seraglio, is a large museum in Istanbul, Turkey. In the 15th century, it served as the main residence and administrative headquarters of the Ottoman sultans.
Hagia Sophia is a former Greek Orthodox Christian patriarchal basilica, later an Ottoman imperial mosque and now a museum in Istanbul, Turkey.
Dolmabahçe Palace located in the Beşiktaş district of Istanbul, Turkey, on the European coast of the Bosphorus, served as the main administrative center of the Ottoman Empire from 1856 to 1887 and 1909 to 1922.
4. Basilica Cistern
The Basilica Cistern, is the largest of several hundred ancient cisterns that lie beneath the city of Istanbul, Turkey.
5. Istanbul Museum of Modern Art
İstanbul Modern, a.k.a. Istanbul Museum of Modern Art, is a museum of contemporary art in the Beyoğlu district of Istanbul, Turkey. Inaugurated on December 11, 2004, the museum focuses on artists from Turkey.
6. Chora Church
The Church of the Holy Saviour in Chora is a medieval Byzantine Greek Orthodox church preserved as the Chora Museum in the Edirnekapı neighborhood of Istanbul.
7. Turkish and Islamic Arts Museum
The Turkish and Islamic Arts Museum is a museum located in Sultanahmet Square in Fatih district of Istanbul, Turkey.