Mont-Saint-Martin is a commune in the Aisne department in Picardie in northern France .
It is found in the region Picardie in the Aisne department in the north of France .
It is found in the region Picardie in the Aisne department in the north of France .
単純化: Mont-Saint-Martin is a commune in the Aisne department in Picardie in northern France . 出力: