Akçakese is a village in Boyabat District, in Sinop Province, Türkiye. Akçakese lies at 1,025 m above sea level, in the Küre mountains. It has 325 inhabitants. The nearest city is Boyabat, 16.9 km to the southwest. Among the landmarks around are Dodurga Dam (13.6 km) and Boyabat Castle (17.2 km).