Dedeçınar is a neighborhood in Bigadiç District, in Balıkesir Province, Türkiye. Dedeçınar lies at 384 m above sea level, in the Anatolian plateau mountains. It has 286 inhabitants. The nearest city is Balıkesir, 27 km to the northwest. Among the landmarks around are İkizcetepeler Dam (10.7 km), Çamköy Dam (10.2 km) and Zagan Pasha Mosque (27 km).