4. Vakıf Han which was built in the place of I. Abdülhamid Külliyesi (Islamic-Ottoman social complex) is one of the prominent works of main representative of National Architecture Movement; Architecture Kemalettin Bey. It was built in the late period of Ottoman Empire in order to meet the dense requirements for the office blocks convenient for the contemporary life. This building; constructed between 1911 and 1926, is the most beautiful and magnificent among the similar ones. It was not completed because of the war, its outer side was completed during the Conquer of Istanbul, but in spite of being incomplete, it was used as headquarters by the France under the name of "Caserne Victor".