Alioğlu is a village in Alaplı District, in Zonguldak Province, Türkiye. Alioğlu lies at 131 m above sea level, 4.2 km from the Akçakoca Dağları mountains. It has 870 inhabitants. The nearest city is Alaplı, 7.5 km to the west. Beaches nearby: Kdz. Ereğli Belediye (7.4 km). Among the landmarks around are Heraclea Pontica (13.6 km), Gülüç Dam (8.0 km) and Kızılcapınar Dam (14.0 km).