The canton of Fismes-Montagne de Reims is an administrative division of the Marne department, northeastern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Fismes.
It consists of the following communes:
Arcis-le-Ponsart Aubilly Baslieux-lès-Fismes Bouilly Bouleuse Bouvancourt Branscourt Breuil-sur-Vesle Châlons-sur-Vesle Chamery Chenay Coulommes-la-Montagne Courcelles-Sapicourt Courlandon Courmas Courtagnon Courville Crugny Écueil Faverolles-et-Coëmy Fismes Germigny Gueux Hourges Janvry Jonchery-sur-Vesle Jouy-lès-Reims Magneux Méry-Prémecy Les Mesneux Montigny-sur-Vesle Mont-sur-Courville Muizon Ormes Pargny-lès-Reims Pévy Prouilly Romain Rosnay Sacy Saint-Euphraise-et-Clairizet Saint-Gilles Savigny-sur-Ardres Sermiers Serzy-et-Prin Thillois Treslon Trigny Unchair Vandeuil Ventelay Ville-Dommange Vrigny
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