Ağaçhisar is a neighborhood in Orhaneli District, in Bursa Province, Türkiye. Ağaçhisar lies at 762 m above sea level, in the Anatolian plateau mountains. It has 137 inhabitants. The nearest city is Bursa, 37 km to the north. Among the landmarks around are Hadriani ad Olympum (9.5 km), Büyükorhan Dam (15.5 km) and Grand Mosque of Bursa (37 km).