Daylı is a village in Boyabat District, in Sinop Province, Türkiye. Daylı lies at 286 m above sea level, 1.0 km from the Ilgaz mountains. It has 288 inhabitants. The nearest city is Boyabat, 2.2 km to the west. Among the landmarks around are Boyabat Castle (3.8 km), Dodurga Dam (15.3 km) and Boyabat Dam (22 km).