Aydoğan is a village in Boyabat District, in Sinop Province, Türkiye. Aydoğan lies at 1,023 m above sea level, in the Küre mountains. It has 105 inhabitants. The nearest city is Boyabat, 15.9 km to the southwest. Among the landmarks around are Dodurga Dam (10.0 km) and Boyabat Castle (16.5 km).