In the ruined village of Osdina or Ouzntinas, some important churches are preserved, and the most important one is the Church of Our Lady, which according to tradition, was the Katholikonof the Monastery of the Assumption of Osdina (Koimiseos Theotokou Osdinas). It was built in 1609 by Ioannis Petropsaras, is constructed of one arched room with
a “hagiati” on the south side, and in 1610 it was converted to Cruciform. For the most part the hagiographic ornamentation crafted in the 17th century, is well preserved.
Access: The Monastery can be accessed from the old national road Ioannina - Igoumenitsa, through the village Plakoti.