Fatih Külliyesi is a multi-functional mosque complex in Istanbul commissioned by Sultan Mehmed II, known as Fatih (Conqueror), after his conquest of the city, at that time the Byzantine capital of Constantinople. Primary sources tell us that construction began in 1463/867 AH and took seven years to complete, and that the chief architect was a man by the name of Atik Sinan. The original building included a mosque, two mausolea (türbe), two clusters of madrasas (medrese), a hospital (darüşşifa), a hospice (tabhane), a soup kitchen (imaret), a caravanserai (han), a library (kütüphane), a Qur'an school (mekteb) and baths (hamam). The complex was severely damaged in the earthquakes of 1509/915 AH and 1766/1176 AH, the latter of which caused the mosque to collapse. A new structure was erected on the foundations of the old mosque in 1771/1185 AH. The Qur'an school, the library, and the baths have been lost while sections of the hospice, the soup kitchen, and the caravanserai have survived.
The complex sits on an elevated site, atop one of the seven hills of Constantinople, commanding views over the surrounding city and bodies of water. At the time of the Ottoman conquest, it was occupied by the Byzantine Holy Apostles Church, which had likely fallen partly into decay along with the surrounding neighborhood with the decline of the city as a cultural and economic capital in the late Byzantine period. Despite the urban decline, however, the selection of this site would have been very significant to the local population given the fact that the Holy Apostles Church was the resting place of Constantine the Great, founder of Constantinople, and many of the early Byzantine emperors.
The entire complex is laid out on a rectangular plot and is oriented 32 degrees east of south in accordance with the qibla. It is nearly symmetrical with the mosque and tombs at the center, surrounded by an open space whose lateral sides (southwest and northeast) are lined with the madrasas, whose plans mirror one another precisely. To the northwest, the hospital and guest house occupy identical square enclosures although the plans of the buildings are different. This is the first example of an Ottoman imperial complex with a plan that was so clearly premeditated and designed for the sake of symmetry.
The Fatih Mosque stands at the center the southeast-oriented rectangular plot. It is surrounded by a nearly square enclosure bounded on the northwest and southeast sides by walls and on the southwest and northeast sides by the walls of the madrasas. This precinct is constructed on top of vaults incorporating the cisterns of the Holy Apostles Church. The precinct was entered through four gates, the Painter's Gate (BoyacıKapısı) and the Pastry Maker's Gate (BörekçıKapısı) on the northwest wall and the Mausoleum Gate (Türbe Kapısı) and the Soup Gate (Çorba Kapısı) to the southeast wall. Only the Soup Gate, located near the hospice, still stands. On the lateral northeast and southwest sides, the precinct is entered using passages between madrasas.
The structure and decoration of the mosque is described in a separate entry.
The two royal mausolea, located in the cemetery behind the qibla wall of mosque, were rebuilt on their stone bases following the earthquake of 1766/1179 AH. The Mausoleum of Mehmed II is a decagonal building covered by a dome. The corners of the decagon are marked with pilasters on the exterior and the walls are capped with a rococo cornice. Entered through a low vestibule to the northeast, the mausoleum remains as it was restored during the rule of Abdülaziz I (r. 1861-1876.1277-1293 AH). The Mausoleum of Gülbahar Sultan is a hexagonal domed unit and houses the tombs of Gülbahar, the wife of Mehmed II, one of their daughters and two other palace members. In 1817, a third large mausoleum was built in the cemetery for Naksidil Sultan, mother of Mahmud II (r. 1808-1839/1223-1255 AH), in the contemporary empire style. The cemetery, which holds graves of many significant people, was also enclosed at this time.
Sixteen madrasas, arranged in two rows of four to the northeast and southwest of the mosque area, are called the Black Sea Madrasas (Karadeniz Medreseleri) and Mediterranean Madrasas (Akdeniz Medreseleri). Each madrasa complex is composed of four senior madrasas that abut the mosque precinct and four junior madrasas (tetimme medreseleri) placed behind them. Three of the four junior madrasas on the Black Sea Complex have been rebuilt at different points in time, while the junior madrasas of the Mediterranean complex have been demolished to give way to the expansion of arterial streets in 1928. The Mediterranean madrasas were modified further in 1958 when the walls of the senior madrasas were excavated to match the street level.
Each senior madrasa has nineteen domed rooms, a large classroom (dersane) and two service iwans protected by a domed arcade enclosing a rectangular courtyard. Their classrooms have mihrab niches and are distinguished with ornamental brickwork on window exteriors. The junior madrasas are of equal length but are lower and less wide than the senior madrasas. They have ten rooms each with a flat-roofed arcade on two or three sides of a long and thin courtyard. The portals of all eight madrasas face the mosque and their arcades have been glazed for contemporary use.
The social service buildings
The hospital (darüşşifa) and the hospice (tabhane) had their own enclosed precincts to the southwest of the mosque and the madrasas. The hospital, no longer extant, was probably destroyed in the 1766/1179 AH earthquake; its site has been taken up by housing. It was built on a square plan, with rooms of various sizes around a courtyard with a domed arcade.
The hospice has survived to our day with some rebuilding in the 19th century when it was converted to a madrasa. It boasts a rectangular courtyard building with a forecourt to the northwest. It has ten single-bay rooms on all four sides of the arcaded courtyard, double-bay spaces on either end of the northeast and southwest wings and a large domed iwan placed on axis with the entrance at the center of the southeastern wing. The double-bay rooms on the north and west corners are the hospice kitchens and are accessed only through the forecourt. The other two are side iwans that lead into adjoining dining rooms. The large iwan, ornamented with muqarnas pendentives, has stalactite niches on either side of the entrance and on qibla wall. A set of stairs set into a wall on the southwestern wing leads up to a mezzanine (kursunluk) and storage areas; there is a side entry located next to the stairs. The hospice is constructed of stone, except for portions of the southeastern wall, which was restored in brick and stone.
There was once a soup kitchen (imaret) and a caravanserai (han) sited along the southwestern wall of the hospice precinct. Little remains of the soup kitchen; it was a small building with three rooms in a U-shaped plan. It provided food twice daily for the guests in the caravanserai, the students of the madrasas, and employees of the complex as well as the poor people in the neighborhood. There were remains of the caravanserai until 1930, it has since been rebuilt with extensions and is used for commercial purposes. It was a long rectangular building consisting of a series of rooms with barrel vaults. Also found in the hospice precinct is a structure built as a police station (karakolhane) by Mahmud II in 1838 (1254 AH) and another to the south of the hospice that was built as a Military High School in 1875 (1292 AH)
Library and Qur'an school
The complex had a library (kütüphane) and a Qur'an School (mekteb) that were single unit structures located along the precinct walls probably between the Painter's Gate and the Pastry Maker's Gate. The library was lost sometime during the 19th century. The current library of the complex was built in 1742/1155 AH by Mahmud I and is located to the southwest of the mosque, adjoining the prayer hall. There is no trace of the Qur'an school.
The complex also had a hamam, called the Karaman or Irgatlar Hamami, located inside the Malta Bazaar (Malta Çarsisi) to the northwest of the complex. It was taken down in 1928.
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Reconstruction plan of the complex, showing (1) mosque, (2) mausoleums of Mehmed II and his wife Gülbahar Sultan, (3) formal garden, (4) madrasas, (5) preparatory madrasas, (6) hospital, (7) guesthouse, (8) caravanserai, (9) hospice, (10) elementary school, (11) library