Filyos (Hisarönü) is a town (belde) in the Çaycuma District, Zonguldak Province, Turkey.

[1] It is a coastal town of the Black Sea Region, situated at the mouth of the Filyos River.

[3] The settlement was declared a seat of township in 1954.

The main economic activity of the town is firebrick industry.

This geographical article about a location in Zonguldak Province, Turkey is a stub.