Dayro d'Mor Zakka 

Dayro d'Mor Zakka

This monastery was near the city of Callinicus (al-Raqqa), Syria, and it is surrounded by the Balikh river and was established in the fifth century . It was once a great and famous monastery but the teaching did not start there, however, until the beginning of the sixth century and the teaching in the monastery remained until the tenth century. John of Talla became a monk there in 508. From this monastery graduated Patriarch John IV and twenty bishops, but it declined after 954. The Abbasid Caliph Harun al-Rashid visited it one day, liked it and bestowed favors on its monks.

Status: Abandoned in Ruins