Aquisgrana, also known as Aachen, is a city in western Germany, near the borders with Belgium and Netherlands. It is known for its historical significance, particularly as the favored residence of Charlemagne, the first Holy Roman Emperor. The city features the famous Aachen Cathedral, a UNESCO World Heritage site, which was the site of many royal coronations. The city has a rich cultural heritage, with roots dating back to Roman times. Aquisgrana is also famous for its thermal springs, which have attracted visitors for centuries. Today, it is a vibrant city that combines history with modern amenities, making it a popular destination for tourists.