Saclay () is a commune in the southwestern suburbs of Paris, France. It is located from the centre of Paris. It had a population of 3,067 in 2006. It is best known for the large scientific facility CEA Saclay, mostly dealing with nuclear and particle physics. Inhabitants of Saclay are known as Saclaysiens. Transport Saclay is served by no station of the Paris Métro (RER), or suburban rail network. The closest station to Saclay is Le Guichet station on Paris RER line B. This station is located in the neighboring commune of Orsay, to the south of the town center of Saclay. See also Communes of the Essonne department Plateau de Saclay References External links Official website Community blog Mayors of Essonne Association 1846 establishments in France Communes of Essonne