The region around the ancient imperial city of Aachen, with its numerous connections to the neighboring countries of Belgium and the Netherlands, offers interested visitors many places with unique sights waiting to be discovered. This travel guide covers not only the city itself but also the entire district of Aachen, the district of Düren, parts of the district of Euskirchen, and the adjacent areas of the provinces of Limburg in the Netherlands and the East Cantons in Belgium. In addition to the classic attractions, it also highlights lovingly maintained but lesser-known monuments, whose diversity reveals the character of the places, their inhabitants, and the historical development. The south is characterized by deeply cut valleys with towns such as Monschau, Blankenheim, Nideggen, Schleiden, and Heimbach. The Urft Dam and Rur Lake offer a variety of recreational and leisure opportunities.