Le Mesnil-sur-Oger is a commune in the department of Marne and the Community of Municipalities of the Region of Virtues.
This common wine, very wide, is built on an irregular plan. The village was Winston Churchill, came to meet the Royal Air Force airmen stationed in the vendangeoirs Moët et Chandon.
The village was awarded the Sustainable Beautification Award in 2009.
Le Mesnil today is a step in the Champagne Tourist Route.