Fort de Douai is a historic military fortification located in Douai, France. Constructed between 1878 and 1883, it was part of a defensive system designed to protect the region from potential invasions. The fort features a star-shaped layout and is surrounded by a dry moat, showcasing the military architecture of the late 19th century. The fort played a significant role during both World Wars, serving various military functions. Today, Fort de Douai is a site of historical interest, attracting visitors who wish to learn about its strategic importance and the military history of the area.