Dedeler is a neighborhood in Keles District, in Bursa Province, Türkiye. Dedeler lies at 936 m above sea level, in the Anatolian plateau mountains. It has 179 inhabitants. The nearest city is Bursa, 30 km to the north. Among the landmarks around are Grand Mosque of Bursa (29 km), Orhan Gazi Mosque (29 km) and Green Mosque (29 km).