Saint-Lambert-du-Lattay is a former commune in the Maine-et-Loire department in western France. On 31 December 2015, it was merged into the new commune Val-du-Layon.

Maine-et-Loire is a department in the Loire Valley in the Pays de la Loire region in Western France. It is named after the two rivers, Maine and the Loire. It borders Mayenne and Sarthe to the north,