Küpler is a village in Akçakoca District, in Düzce Province, Türkiye. Küpler lies at 385 m above sea level, in the Akçakoca Dağları mountains. It has 146 inhabitants. The nearest city is Akçakoca, 17.7 km to the northeast. Beaches nearby: Karaburun (13 km), Paşalar (13 km), Karaburun (13 km). Among the landmarks around are Prusias ad Hypium (18.3 km), Konuralp Museum (13.7 km) and Akçakoca Castle (16.1 km).