Saint-Souplet-sur-Py

Dontrien (French pronunciation: [dɔ̃tʁijɛ̃]) is a commune in the Marne department in north-eastern France.

Aubérive (French pronunciation: [obeʁivə]) is a commune in the Marne department in northeastern France.

Vaudesincourt (French pronunciation: [vod(ə)zɛ̃kuʁ]) is a commune in the Marne department in north-eastern France.

Saint-Hilaire-le-Grand (French pronunciation: [sɛ̃.t‿ilɛʁ lə ɡʁɑ̃]) is a commune in the Marne department in north-eastern France.

Jonchery-sur-Suippe (French pronunciation: [ʒɔ̃ʃʁi syʁ sɥip], literally Jonchery on Suippe) is a commune in the Marne department in north-eastern France.

Souain-Perthes-lès-Hurlus [swɛ̃.pɛʁt.lɛz‿yʁ.ly] is a commune in the Marne department in north-eastern France.

Suippes (French pronunciation: [sɥip]) is a commune in the Marne department in north-eastern France. It was part of the so-called la Champagne pouilleuse, a region battered by conflict during World War I. In the early months of the war, British soldiers were deployed here and were to march to Châlons-sur-Marne to fight the First Battle of the Marne. In October 1918, the United States also deployed a brigade in the area and was assigned as Fourth French Army reserve. The commune was pillaged and razed by the Germans in the same way they attacked Heiltz-le-Maurupt, Marfaux, Fromentieres, and Esternay.The commune is home to France's 40th Artillery Regiment and was once home to 15th Artillery Regiment which operated the nuclear Pluton missile as part of France's deterrent during the Cold war.

Mourmelon-le-Grand (French pronunciation: [muʁməlɔ̃ lə ɡʁɑ̃]) is a commune in the Marne department in north-eastern France.

La Noblette Aerodrome, was a temporary World War I airfield in France. It was located 1.6 miles (2.6 km) Southeast of the commune of Mourmelon-le-Grand, in the Marne department in north-eastern France.

The camp de Châlons, also known as camp de Mourmelon, is a military camp of about 10,000 hectares at Mourmelon-le-Grand, near Châlons-en-Champagne. It was created at the behest of Napoleon III and opened August 30, 1857 during the Second French Empire. The initial purpose was simply for practising military manoeuvres, but it quickly turned into a showcase of the French Imperial Army, a theatrical propaganda display, where French citizens could meet the army and watch parades. Each year the camp was transformed into a town of tents and wooden chalets.The camp survived the fall of the Second Empire in 1872, but changed into a training camp and a departure point for troops engaging in overseas operations. The camp is used for military manoeuvres, and cavalry training, along with the neighbouring 2,500 hectare large Camp de Moronvilliers. Firing of live ordnance (rockets, missiles) is prohibited.

The canton of Mourmelon-Vesle et Monts de Champagne 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 Mourmelon-le-Grand.It consists of the following communes:

Baconnes (French pronunciation: [bakɔn]) is a commune in the Marne department in northeastern France.