Mertoğlu is a village in Sinop District, in Sinop Province, Türkiye. Mertoğlu lies at 120 m above sea level, 10.0 km from the Küre mountains. It has 321 inhabitants. The nearest city is Sinop, 9.9 km to the east. Beaches nearby: Akliman Kumsalı (6 km), Stad Altı (7.6 km), Orman Kampı (8.2 km). Among the landmarks around are Alaaddin Mosque (9.8 km), Sinop Fortress Prison (9.3 km) and Sinop Fortress (9.8 km).