The Aosta Valley, located in the northwestern part of Italy, is divided into four main valleys: Valle d'Aosta, Valle di Cogne, Valle di Gressoney, and Valle di Champorcher. Each valley offers unique landscapes, cultural heritage, and outdoor activities, making the region a popular destination for tourists and nature enthusiasts. Valle d'Aosta is the main valley, known for its capital, Aosta, which features Roman ruins. Valle di Cogne is famous for its natural parks and hiking trails, while Valle di Gressoney showcases a blend of Italian and Walser culture. Lastly, Valle di Champorcher is known for its picturesque villages and traditional alpine architecture.