Saint-Émilion is a commune in the Gironde department in Nouvelle-Aquitaine in Southwestern France. In the heart of the country of Libo…Saint-Émilion is a commune in the Gironde department in Nouvelle-Aquitaine in Southwestern France. In the heart of the country of Libournais, in a region of wine hills, Saint-Émilion is a medieval city located at the crossroads of Bordeaux, Saintonge and Périgord. The town and surrounding vineyards was made a UNESCO World Heritage Site in 1999, owing to its long, living history of wine-making, Romanesque churches and ruins stretching all along steep and narrow streets.