Yılgı is a village in Yığılca District, in Düzce Province, Türkiye. Yılgı lies at 513 m above sea level, in the Akçakoca Dağları mountains. It has 365 inhabitants. The nearest city is Alaplı, 23 km to the north. Among the landmarks around are Heraclea Pontica (35 km), Hasanlar Dam (12.0 km) and Prusias ad Hypium (26 km).