Puisieulx is a commune in the Marne department in north-eastern France. The village's vineyards are located in the Montagne de Reims subreg…Puisieulx is a commune in the Marne department in north-eastern France. The village's vineyards are located in the Montagne de Reims subregion of Champagne, and are classified as Grand Cru in the Champagne vineyard classification.