Overijse (Dutch pronunciation: [ˈoːvərɛi̯sə]) is a municipality in the province of Flemish Brabant, in Flanders, Belgium. It is a suburb of the wider Brussels metropolitan area. The municipality comprises the town of Overijse, and the communities of , , Jezus-Eik, and . On December 31, 2008, Overijse had a total population of 24,410. The total area is 44.43 km² which gives a population density of 549 inhabitants per km².Overijse is surrounded by an extensive woodlands (Zoniënwoud/Forêt de Soignes), with paths for walking and cycling.