Orchies is a commune in the department of Nord in the Hauts-de-France region of French Flanders, northern France. Its inhabitants are calle…Orchies is a commune in the department of Nord in the Hauts-de-France region of French Flanders, northern France. Its inhabitants are called Orchésiens. Orchies is the biggest town of the Pévèle. It is especially known for its Musée de la chicorée, the museum of chicory.