Türkmenoğlu is a village in Devrek District, in Zonguldak Province, Türkiye. Türkmenoğlu lies at 633 m above sea level, in the Akçakoca Dağları mountains. It has 232 inhabitants. The nearest city is Devrek, 13.1 km to the northeast. Among the landmarks around are Heraclea Pontica (37 km), Kızılcapınar Dam (19.3 km) and Köprübaşı Dam (21 km).
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