Coroy- le-Chateau Castle is a medieval castle in the village of Coroy-le-Chateau, near Gamblou in the province of Namur. Built between 1220 and 1230 by William of Brabant, the castle is one of the best preserved medieval buildings in Belgium. It includes massive round towers and a moat. Inside consists of a marble dining room, a painted living room, and a vestibule. The small, the "Polish salon", a Roman room from the thirteenth century, and many other interesting historical exhibits.