Sındırgı, formerly Koruköy and Carseae, is a municipality and district of Balıkesir Province, Turkey. Its area is 1,387 km², and its population is 32,408 (2022). The mayor is Serkan Sak (CHP). A carpet festival is held in Sındırgı town in every fall season around September, and it is called International Yağcıbedir Festival. The province is also famous for its kolonya, a scented perfume used to freshen the hands.