Nuts, along Turkey's Black Sea region in both east and west, for other crops in areas where the soil is suitable and sharply sloping soils (other more than 20 percent) are grown. An additional advantage for high-rain hazelnut growing areas is the ability of the crop to prevent soil erosion.

Approximately two to three million producers (ie about 5 percent of the country's population) rely on hazelnut cultivation for their income. Turkey, by far, is the world's leading producer of hazelnuts constitutes approximately 72.9 percent of the total world supply. Approximately 60 percent of hazelnut in the Eastern Black Sea Region (Ordu, Giresun, Rize, Trabzon, Artvin and provinces), 40 percent of the central and western parts of the Black Sea (Samsun, Sinop Kastamonu, Bolu, Duzce, Sakarya, Zonguldak) , Kocaeli and provinces). hazelnut plantations commonly found in the Black Sea coast of Turkey, 30 km from the coast inland to the right. It starts from Zonguldak (east of Istanbul) in the Western Black Sea and extends to the east like a green strip between the sea and the mountains almost to the border with Georgia.