Join 科学・技術 upcoming events being held in Valdoie. Valdoie is a charming city in the Bourgogne-Franche-Comté region of France, known for its beautiful natural surroundings, including the Ballon d'Alsace and the River Savoureuse, and its rich cultural heritage, with landmarks such as the 18th-century Château de Montbéliard and the Museum of Natural History and Archaeology.