Saclay is a commune located in the Essonne department of France, approximately 20 kilometers southwest of Paris. It is known for its scientific and technological research facilities, including the Saclay Plateau, which hosts several prestigious institutions such as École Polytechnique and CEA Saclay. The area is part of the larger Paris-Saclay project, aimed at creating a major innovation hub. The region is characterized by its green spaces and rural landscapes, making it a pleasant environment for both residents and visitors. Saclay also benefits from good transportation links to Paris, including the RER B train line, facilitating easy access to the capital and surrounding areas.