Title: Pelekanon, Philokrini, Nikitiaton, Ritzion, Dakibyza
Subjects: History, Antiquities, Fortification, Castles, Military History
Places: Turkey, Eskihisar (Kocaeli, Turkey), Eskihisar (Kocaeli), Byzantine Empire
Time periods: 1288-1453, 1081-1453