`harmantepe-castle` Related Article Results

Harmantepe Castle is a medieval defensive structure built on a small natural hill north of Harmantepe Village in the Adapazarı district of Sakarya Province, Türkiye. Located in the Lower Sakarya Basin and dated to the Byzantine Empire period, the castle was constructed as an advanced outpost and observation tower to safeguard the eastern frontier. Among the fortifications remaining on the western bank of the Sakarya River, it is one of the best-preserved structures to have survived to the presen