Varna dates from the 9th century and probably as the Ravna Monastery was burnt by the Pechenegs during the invasions of the Bulgarian Lands in the 11th century, and according to other sources, it existed until the 18th century or until the beginning of the Bulgarian Revival. 
A cathedral church, a chapel tower, a huge scriptorium, a library, a school, a monastic dormitory, a holy shrine were found, and among the finds are an altar table, a blacksmith's workshop and coins - Bulgarian, Raška, Venetian, Byzantine, Ottoman. The buildings are filled with a magnum opus, which construction equipment is used mainly for representative buildings, for example, the Great Basilica, Pliska.
The Varna Monastery are the Ravna Monastery are considered the most significant literary centers of the Preslav Literary School outside the capitals Pliska and Preslav. The patron of the monastery is the Mother of God, who is also the patron saint of the city of Varna.
- Проф. д.и.н. Казимир Попконстантинов, Д-р Росина Костова. Доклад относно археологически разкопки на обекти от Средновековието. Visited December 28, 2019; in Bulgarian
- Община Варна получава Средновековния манастирски комплекс в Караач теке от държавата Bulgarian National Radio; Visited December 28, 2019; in Bulgarian