Patleina Monastery
The Patleina Monastery of Saint Pantaleon Bulgarian: Патлейнският манастир „Свети Пантелеймон“ is a ruined Bulgarian Orthodox monastery. it is an archaeological site situated at the outskirts of the capital of the First Bulgarian Empire, Preslav. At its heyday in the 9th in addition to 10th centuries, the monastery was among the main centres of the Preslav Literary School, as well as one of the nearly prominent centres of production of painted decorative ceramics.