Join 事业与非营利 upcoming events being held in Aachen. Aachen, a city in western Germany near the border with Belgium and the Netherlands, is known for its ancient Roman ruins, medieval architecture, and association with Charlemagne, who was crowned Holy Roman Emperor here in the 9th century, and is also home to a renowned university, a vibrant cultural scene, and numerous thermal baths that attract visitors seeking relaxation and rejuvenation.