What is Saint-Mars-sur-Colmont?
[[Image:Blason Saint-Mars-sur-Colmont.svg|thumb|90px|Coat of arms]] '''Saint-Mars-sur-Colmont''' is a [[Communes of France|commune]] of 435 people ([[1999]]). It is found in the region [[Pays de la Loire]] in the [[Mayenne]] department in the northwest of [[France]]. {{France-geo-stub}} [[Category:Communes in Mayenne]]