Ayvalık (ˈajvaɫɯk) is a municipality and district of Balıkesir Province, Turkey. Its area is 305 km2, and its population is 74,030 (2022). It is a seaside town on the northwestern Aegean coast of Turkey. The town centre is connected to Cunda Island by a causeway and is surrounded by the archipelago of Ayvalık Islands, which face the nearby Greek island of Lesbos Ayvalık ('Quince Orchard') was an ancient Aeolian Greek port-town, called Kydonies (Κυδωνίες). Its name was changed to Ayvalık in the Ottoman era. Before 1923 the town was predominantly Greek, and although the Turks used its Turkish name, the Greeks used both the old name Kydonies and the new one Hellenised to Aivali (Αϊβαλί). The Greeks knew Cunda Island as Moschonisia (literally "The Perfumed Islands") while the Turks called it Alibey Island (Alibey Adası). Under the Ottomans Ayvalık had a flourishing olive-oil-production industry and the chimneys of the old factories can still be seen about town. In modern times production has revived in a smaller-scale boutique format. Daily ferries operate between Ayvalık and Mytilene on nearby Lesbos Island, Greece, during the summer with a reduced service in winter. The nearest airport to Ayvalık is Balıkesir Koca Seyit Airport (EDO) near Edremit. Ayvalık is the southernmost district of Balıkesir province and lies between Edremit Gulf and Dikili Gulf of the Aegean Sea. Its centre is situated on a narrow coastal plain surrounded by low hills to the east which are covered with pine and olive trees. Ayvalık is surrounded by the archipelago of the Ayvalık Islands (the largest of which is Cunda Island) in the west, and by a narrow peninsula in the south named the Hakkıbey Peninsula. South of Ayvalık are Altınova and Küçükköy/Sarımsaklı which have long pristine beaches. To the north are Gömeç, Burhaniye and Edremit. Dikili district of İzmir Province is to the south of Ayvalık. To the east of Ayvalık lies Bergama, with the remains of ancient Pergamon. The Greek island of Lesbos is west of Ayvalık and connected to it by ferry.