🇫🇷 Aÿ-Champagne is a commune in the Marne department, northern France. The municipality was established in 2016 and consists of the former communes of Aÿ, Mareuil-sur-Ay, and Bisseuil. They keep their names and town halls.
Aÿ-Champagne has a population of over 5,451 people. Aÿ-Champagne also forms part of the wider Épernay Arrondissement which has a population of over 120,269 people. Aÿ-Champagne is situated near Épernay.