Yonne is a department located in the Bourgogne-Franche-Comté region of eastern France. It is named after the Yonne River, which flows through the area. The department is known for its picturesque landscapes, including vineyards and rolling hills, as well as its historical sites, such as the city of Auxerre, which features medieval architecture. The region is also famous for its wine production, particularly Chablis, a renowned white wine made from Chardonnay grapes. Yonne offers various outdoor activities, including hiking and cycling, making it a popular destination for nature lovers and tourists seeking to explore the French countryside.