The rooms of the Sultan’s harem are the most interesting part of Topkapı Palace. It was the place where the sultans lived with their families separately. It was the residence of the Ottoman family and the upper-class women of the harem for centuries. It also functioned as a school with its own rules and hierarchy. The Imperial Harem of Topkapi Palace is very important in terms of architecture and its representation of styles belonging to the period from the 16th to the 19th centuries.