Dour is a municipality located in the Belgian province of Hainaut. On January 1st, 2004 Dour had a total population of 16,886 (8,109 males and 8,777 females). The total area is 33.32 km² which gives a population density of 506.83 inhabitants per km².

Since 1989, Dour has also a music festival which becomes bigger and bigger each year.