Dedeler is a neighborhood in Gülnar District, in Mersin Province, Türkiye. Dedeler lies at 740 m above sea level, in the Taşeli mountains. It has 339 inhabitants. The nearest city is Silifke, 31 km to the east. Beaches nearby: Yeşilovacık Belediyesi (9.8 km). Among the landmarks around are Aphrodisias (14.1 km), Tokmar Castle (14.4 km) and Meydancık Castle (15.3 km). Among the natural features are Boğsak Islet (19.4 km) and Güvercin Islet (18.1 km).