Yeşilada is a village in Devrek District, in Zonguldak Province, Türkiye. Yeşilada lies at 237 m above sea level, in the Akçakoca Dağları mountains. It has 199 inhabitants. The nearest city is Devrek, 16.1 km to the northeast. Among the landmarks around are Heraclea Pontica (43 km) and Köprübaşı Dam (12.2 km).