Karacadağ is a village in Gerede District, in Bolu Province, Türkiye. Karacadağ lies at 1,128 m above sea level, in the Bolu Dağları mountains. It has 115 inhabitants. The nearest city is Gerede, 22 km to the west. Among the landmarks around are Hadrianopolis in Paphlagonia (11.5 km).