Mareuil-sur-Ay
Mareuil-sur-Ay
Delegated commune of Aÿ-Champagne in Grand Est, France
Mareuil-sur-Ay (French pronunciation: [maʁœj syʁ aj], literally Mareuil on Ay) is a former commune in the Marne department in north-eastern France. Since January 2016, Mareuil-sur-Aÿ is part of the administrative commune Aÿ-Champagne.[2] Its population was 1,113 in 2019.[1]
The patron saint is Saint Trésain.[3]