Sadağı is a neighborhood in Orhaneli District, in Bursa Province, Türkiye. Sadağı lies at 442 m above sea level, in the Anatolian plateau mountains. It has 110 inhabitants. The nearest city is Bursa, 36 km to the northeast. Among the landmarks around are Hadriani ad Olympum (6.8 km), Büyükorhan Dam (9.9 km) and Grand Mosque of Bursa (35 km).