Kozlukadı is a village in Devrek District, in Zonguldak Province, Türkiye. Kozlukadı lies at 410 m above sea level, in the Akçakoca Dağları mountains. It has 155 inhabitants. The nearest city is Devrek, 13.1 km to the northeast. Among the landmarks around are Heraclea Pontica (40 km) and Köprübaşı Dam (16.8 km).