The Holy Mantle Pavilion "Khirqa-i Saadeth" of the Topkapı Palace Museum was built by Sultan Muhammed the Conqueror between 1474 and 1478 A. D. This section, then known as the Imperial Chamber, was used by the Sultan to receive visitors, accept special homages and as an office where he was occupied with the affairs of state. As a result of earthquakes and the ravages of centuries, the Chamber lost, however, its original architecture and interior decor due to a series of repairs and modifications. After the conquest of Egypt by Sultan Selim I, the Inflexible, the holy relics of Islam were received and placed in the pavilions of Topkapı Palace. The relics were preserved in "Silahtar Hazinesi" and "Revan Kiosk" both of which are situated in the vicinity of the palace and placed in the Imperial Chamber from time to time. Furthermore, Sultan Ahmet I (1603 - 1617) placed the reliquary that kept the Prophet's Mantles behind his throne thus seeking to promote the grandeur and honor of the Empire with the glory of Islam. The particular section was known and referred to as Imperial Chamber until the accession of Sultan Mahmut II who renounced the Topkapı Palace, then, the chamber was entirely assigned to the preservation of the holy relics becoming known as the Pavilion of the Holy Mantle or Holy Relics.

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