Purtuloğlu is a village in Devrek District, in Zonguldak Province, Türkiye. Purtuloğlu lies at 559 m above sea level, in the Akçakoca Dağları mountains. It has 188 inhabitants. The nearest city is Devrek, 19.4 km to the northeast. Among the landmarks around are Heraclea Pontica (41 km) and Köprübaşı Dam (12.8 km).