Cumayeri is a town in Düzce Province in the Black Sea region of Turkey. It is the seat of Cumayeri District.İlçe Belediyesi, Turkey Civil Administration Departments Inventory. Retrieved 1 March 2023. Its population is 10,908 (2022). The mayor is Mustafa Koloğlu (MHP), elected in 2019.Başkan Hakkında, Cumayeri Municipality. Retrieved 17 March 2023
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