Ayvacık is a village in Durağan District, in Sinop Province, Türkiye. Ayvacık lies at 1,214 m above sea level, in the Küre mountains. It has 238 inhabitants. The nearest city is Vezirköprü, 29 km to the south. Among the landmarks around are Nerik (21 km) and Altınkaya Dam (27 km).