It is located in Filyos town of Çaycuma district of Zonguldak. There is a very large beach area to the west of the Filyos Stream. In Filyos Beach, it is possible to swim from Abacık to the castle. The beach, which is located on both sides of the harbor, is approximately 2 kilometers long. There is a hotel in the area. The beach, where green meets blue, is adorned with historical ruins of the ancient city of Tios, right next to it. The theater, aqueduct and castle belonging to the ancient city of Tios are important tourism areas.