Filyos Castle
Located in Filyos in the Çaycuma district, Filyos Castle (Filyos Kalesi) is on a promontory overlooking the sea. It is believed to have been built by the Romans. Large stones were used in its construction to give the city a majestic and imposing appearance.
The castle was restored in 2003 after being in ruins for numerous years. The first settlement was located on the castle hill north of the city. Today, the ramparts from the Medieval-era Castle and the ruins of towers dating from the Hellenistic-Roman periods can be seen. Marble columns and pedestals, marble inscription slabs, stone sarcophagi and brick tombs were excavated east of the castle hill.