Saint-Martin-au-LaertFrançais: Saint-Martin-au-LaertPopulation: 3 800 Gentilé: Type: Ancienne communeSuperficie: 4,94 km²Densité: 769.23 hab/km²Latitude: 50°45'0" NLongitude: 2°14'60" ELatitude: 50.750000Longitude: 2.233330pages: 16