Colybrassus (Haigha Sophia)
Within the borders of Bayirkozagaci village of Güzelbahçe town of Gündögmus county. The important ruins have survived until present, include tombs in the necropolis and natural rock tombs. The face of rock stones are of a monumental nature and have 18 steps. The tomb room is only one location and the top of entrance is carved in a vault shape and the inside of the cave is decorated with a Medusa head, and both sides of the vault are decorated with eagle figures. Several inscriptions discovered nearby include information shedding light upon the history of the town. The ruins date from Roman and Byzantine Periods.