Alaşehir is a municipality and district of Manisa Province, Turkey. Its area is 971 km2, and its population is 104,717 (2022). It is situated in the valley of the Kuzuçay, at the foot of the Bozdağ Mountain. The town is connected to İzmir by a 105 km (65 mi) railway.

Manisa Province is a province and metropolitan municipality in western Turkey. Its area is 13,339 km2, and its population is 1,468,279 (2022). Its neighboring provinces are İzmir to the west, Aydın to the south, Denizli to the southeast, Uşak to the east, Kütahya to the northeast, and Balıkesir to the north. The city of Manisa is the seat and capital of the province. The traffic code is 45.