Maruf is a village in Boyabat District, in Sinop Province, Türkiye. Maruf lies at 428 m above sea level, in the Küre mountains. It has 110 inhabitants. The nearest city is Boyabat, 11.0 km to the south. Among the landmarks around are Boyabat Castle (11.0 km) and Dodurga Dam (15.3 km).