Saint-Martin-de-CrauSaint-Martin-de-Crau is a commune in the Bouches-du-Rhône department in southern France. Inhabitants are called Saint-Martinois.WWW saintmartindecrau.frFB stmartin13PopulationSaint-Martin-de-Crau has the lowest population density of all communes in metropolitan France that have a population exceeding 12,000 inhabitants. With a land area of 214.87 km2, it is the fifth-largest commune in geographic area in metropolitan France.Twin townsSaint-Martin-de-Crau is twinned with:, Markgröningen, Germany