Hamzalı is a village in Boyabat District, in Sinop Province, Türkiye. Hamzalı lies at 598 m above sea level, in the Küre mountains. It has 205 inhabitants. The nearest city is Boyabat, 13.8 km to the southwest. Among the landmarks around are Dodurga Dam (11.1 km) and Boyabat Castle (14.4 km).