Altstadt, located in Heidelberg, Bergstraße, is a charming and historic district known for its picturesque streets, beautiful architecture, and vibrant atmosphere. The area is home to the famous Heidelberg Castle, a stunning hilltop fortress that offers breathtaking views of the city and the Neckar River. The Altstadt is a popular destination for tourists and locals alike, with its cobblestone streets lined with quaint shops, cafes, and restaurants. Visitors can explore the many historic buildings and landmarks, including the Church of the Holy Spirit and the Old Bridge, which date back to the Middle Ages.