The hazelnut industry primarily revolves around the cultivation, processing, and distribution of hazelnuts, which are popular for their rich flavor and nutritional benefits. Major producers include countries like Turkey, Italy, and Azerbaijan, with Turkey being the largest exporter globally. Hazelnuts are commonly used in various products, including chocolate, spreads, and baking ingredients. The industry faces challenges such as climate change, which can affect crop yields, and market fluctuations that impact pricing. Sustainable farming practices are increasingly being adopted to ensure long-term viability. Additionally, the growing demand for plant-based products has contributed to the rising popularity of hazelnuts in health-conscious diets.