proper noun/ʃɑ̃.syʁ.maʁn/
Champs-sur-Marne (a town in Seine-et-Marne department, Île-de-France, France)
Synonyms: Champs
Officialized in 1962, previously Champs (attested on the Cassini map, 1740s). Champs sur Marne mentioned in Middle French (1410, 1511).