Akçabük is a village in Durağan District, in Sinop Province, Türkiye. Akçabük lies at 251 m above sea level, in the Ilgaz mountains. It has 153 inhabitants. The nearest city is Boyabat, 16.4 km to the west. Among the landmarks around are Boyabat Dam (9.8 km), Dodurga Dam (11.2 km) and Boyabat Castle (18.1 km).