Pammakaristos Church
Pammakaristos Church, also known as the Church of Theotokos Pammakaristos (, "All-Blessed Mother of God"), is one of the most famous Greek Orthodox Byzantine churches in Istanbul, Turkey. Adapted in 1591 into the Fethiye Mosque (, "mosque of the conquest"), it is today partly a museum, the parekklesion. The edifice serves as one of the most important examples of Constantinople's Palaiologan architecture, and the last pre-Ottoman building to house the Ecumenical Patriarchate. It also has the largest amount of Byzantine mosaics in Istanbul after the Hagia Sophia and Chora Church.

Location
The building is located in the Çarşamba neighbourhood within the district of Fatih inside the walled city of Istanbul. Theotokos Pammakaristos overlooks the Golden Horn.

History 

Most scholars believe that the church was built between the eleventh and the twelfth centuries. Many historians and archaeologists attribute the original structure of the church to Michael VII Ducas (1071–1078); others put its foundation in the Comnenian period. It has also been suggested by the Swiss scholar and Byzantinist Ernest Mamboury that the original building was erected in the 8th century. 

A parekklesion (a side chapel) was added to the south side of the church in the early Palaiologan period, and dedicated to Christos ho Logos ().  The small shrine was erected by Martha Glabas in memory of her late husband, the protostrator Michael Doukas Glabas Tarchaneiotes, a general of Andronikos II Palaiologos, shortly after the year 1310. An elegant dedicatory inscription to Christ, written by the poet Manuel Philes, runs along the parekklesion, both outside and inside it.

The main church was also renovated at the same time, as the study of the Templon has shown.
Following the fall of Constantinople, the seat of the Greek Orthodox Patriarchate was first moved to the Church of the Holy Apostles, and in 1456 to the Pammakaristos Church, which remained as the seat of the Patriarchate until 1587.

Five years later, the Ottoman Sultan Murad III converted the church into a mosque and renamed it in honor of his Fetih (Conquest) of Georgia and Azerbaijan, hence the name Fethiye Camii. To accommodate the requirements of prayer, most of the interior walls were removed in order to create a larger inner space.

The complex, which was neglected, has been restored in 1949 by the Byzantine Institute of America and Dumbarton Oaks, which brought it back to its pristine splendor. While the main building remains a mosque, the parekklesion has since then been a museum.

Architecture and decoration 
The Comnenian building was a church with a main aisle and two deambulatoria, and had three apses, and a narthex to the west. The masonry was typical of the Comnenian period, and adopted the technique of the recessed brick. In this technique, alternate courses of brick are mounted behind the line of the wall, and are plunged in a mortar's bed, which can still be seen in the cistern underneath and in the church.
The transformation of the church into a mosque changed the original building greatly. The arcades connecting the main aisle with the deambulatoria were removed and were replaced with broad archways to open up the nave. The three apses were removed too. In their place toward the east a great domed room was built, obliquely with respect to the orientation of the building.

On the other side, the parekklesion represents the most beautiful building of the late Byzantine period in Constantinople. It has the typical cross-in-square plan with five domes, but the proportion between vertical and horizontal dimensions is much bigger than usual (although not so big as in the contemporary Byzantine churches built in the Balkans).

Although the inner colored marble revetment largely disappeared, the shrine still contains the restored remains of a number of mosaic panels, which, while not as varied and well-preserved as those of the Chora Church, serve as another resource for understanding late Byzantine art.

A representation of the Pantocrator, surrounded by the prophets of the Old Testament (Moses, Jeremiah, Zephaniah, Micah, Joel, Zechariah, Obadiah, Habakkuk, Jonah, Malachi, Ezekiel, and Isaiah) is under the main dome. On the apse, Christ Hyperagathos is shown with Virgin Mary and St. John the Baptist. The Baptism of Christ survives intact to the right side of the dome.

In the building with the Fethiye Museum (with an entrance in the street passing the garden where the entrance to the museum is) a part is still a mosque. Here are some pictures of its interior

See also
History of Roman and Byzantine domes

Notes

References

External links 

 Official website
 Byzantium 1200 | Pammakaristos Monastery
 130 pictures of the church
 Some more pictures of the mosque
History and Mosaics of the Pammakaristos

14th-century churches
Byzantine church buildings in Istanbul
Church buildings with domes
Museums in Istanbul
Byzantine art
Fatih
Ecumenical Patriarchate of Constantinople
Byzantine museums in Turkey