Châtillon-sur-Seine is a commune located in the Côte-d'Or department in the Bourgogne-Franche-Comté region of eastern France. It is situated along the Seine River and is known for its rich history, dating back to Roman times. The town features several historical sites, including the Saint-Vorles Church and remnants of ancient fortifications. The area surrounding Châtillon-sur-Seine is characterized by picturesque landscapes and vineyards, contributing to the region's reputation for wine production. The town serves as a gateway to exploring the Burgundy region, which is famous for its culinary delights and cultural heritage.