Limay is a commune located in the Yvelines department in the Île-de-France region of northwestern France. It sits in the Seine valley, positioned along the Seine River west of Paris.
The town has historical significance as an industrial center, particularly during the 19th and 20th centuries. Like many communes in the Seine valley near Paris, Limay developed around river commerce and manufacturing activities that took advantage of its riverside location and proximity to the capital.