For the commune of Nord, France, see Rœulx
Le Rœulx is a Walloon municipality located in the Belgian province of Hainaut. On January 1, 2006, Le Rœulx had a total population of 7,977. The total area is 42.80 km² which gives a population density of 186 inhabitants per km².
The municipality consists of the following sub-municipalities: Le Rœulx proper, Gottignies, Mignault, Thieu, and Ville-sur-Haine.
The Château du Rœulx, a family seat of the Comtes de Croÿ-Rœulx, is situated near the town.
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