The Château de la Cité is a historic fortress located in the heart of Carcassonne, France. This impressive structure dates back to the Gallo-Roman period and was significantly expanded during the medieval era. It features thick stone walls, towers, and a double line of fortifications, making it a remarkable example of medieval military architecture. Today, the Château de la Cité is a UNESCO World Heritage site, attracting visitors from around the world. Inside, guests can explore the Basilica of Saint-Nazaire and various museums that showcase the history and culture of the region. The site offers stunning views of the surrounding landscape and the Aude River.