Epernay is a commune located in the Marne department in the northeastern part of France. It is renowned for its production of Champagne, a sparkling wine that is celebrated worldwide. The town is home to several prestigious Champagne houses, including Moët & Chandon and Mercier, which attract many visitors each year. The picturesque streets of Epernay are lined with beautiful 19th-century architecture and vineyards that stretch across the surrounding hills. The Avenue de Champagne is particularly famous, featuring grand cellars and tasting rooms where tourists can learn about the Champagne-making process and sample the local offerings.