Asar is a village in Yığılca District, in Düzce Province, Türkiye. Asar lies at 525 m above sea level, in the Akçakoca Dağları mountains. It has 278 inhabitants. The nearest city is Düzce, 19.4 km to the southwest. Among the landmarks around are Heraclea Pontica (37 km), Hasanlar Dam (7.1 km) and Prusias ad Hypium (21 km).