Bures-sur-Yvette (, literally Bures on Yvette) is a commune in the Essonne department in Île-de-France in northern France. Geography Bures-sur-Yvette is located in the Vallée de Chevreuse on the river Yvette, along which the RER line B is laid. The stations on the line serving the commune are Bures-sur-Yvette and La Hacquinière. Adjacent communes are Orsay, Gif-sur-Yvette, Gometz-le-Châtel, and Les Ulis. The small town is also twinned with Crewkerne UK. Population Inhabitants of Bures-sur-Yvette are known as Buressois in French. Research Bures-sur-Yvette hosts the greater part of the Orsay campus of the University of Paris-Sud (Paris XI), as well as the Institut des Hautes Études Scientifiques (IHÉS). See also Communes of the Essonne department References External links Bures-sur-Yvette city council website (in French) Mayors of Essonne Association Communes of Essonne