Saint-Hilaire is a commune located in the Aude department in the Occitanie region of southern France. It is known for its picturesque landscapes and historical architecture, including the Church of Saint-Hilaire, which dates back to the 12th century. The area is also famous for its production of blanquette de Limoux, a sparkling wine that has been made in the region for centuries. The commune is surrounded by vineyards and rolling hills, making it a popular destination for tourists seeking natural beauty and cultural experiences. Saint-Hilaire is part of the Limoux wine region, which is renowned for its rich viticultural heritage. Visitors can explore local wineries and enjoy the scenic countryside.