Cosmes is a village and commune in the Mayenne département of north-western France. A village is a clustered human settlement or community, larger than a hamlet, but smaller than a Town or City. The following is a list of the 261 communes of the Mayenne département, in France. Mayenne (majɛn is a department in northwest France named after the Mayenne River. In the context of the political and geographic organization of France and many of its former colonies a department (département depaʁtǝmɑ̃ is an Administrative division This article is about the country For a topic outline on this subject see List of basic France topics.