Mutlu is a neighborhood in Ayvalık District, in Balıkesir Province, Türkiye. Mutlu lies at 139 m above sea level, 5.1 km from the Madra mountains. It has 196 inhabitants. The nearest city is Ayvalık, 7.4 km to the west. Beaches nearby: Duba (8.5 km), Ayvalık Belediyesi Plaj İşletmesi (11 km), Sarımsaklı (10 km). Among the landmarks around are Pergamon (41 km), Adramyttium (26 km) and Atarneus (26 km). Among the natural features are Akoğlu Island (7.8 km) and Şeytan Sofrası (11.6 km).