Aachen (Aix-la-Chapelle)

Aachen, known as Aix-la-Chapelle in French, is a historic city in western Germany, near the borders with Belgium and the Netherlands. It is famous for its stunning cathedral, a UNESCO World Heritage Site, which was the favored residence of Charlemagne, the first Holy Roman Emperor, in the early Middle Ages. The city was a significant political and cultural center, hosting imperial assemblies and being the site of numerous royal coronations. Aachen is also known for its thermal springs, which have attracted visitors for centuries, making it a popular destination for wellness and history.