Sumela Monastery is a historic Greek Orthodox monastery located in the Pontic Mountains of northeastern Turkey. Founded in the 4th century, it is dedicated to the Virgin Mary and is renowned for its stunning cliffside location and beautiful frescoes. The monastery complex includes a church, chapels, and living quarters, all carved into the rock. The site is part of the Sumela Monastery National Park, which attracts visitors for its natural beauty and cultural significance. The monastery has undergone various restorations over the years and remains an important symbol of Byzantine architecture and heritage in the region.