Aachen is a city in North Rhine-Westphalia in western Germany, situated close to the intersection between Germany, Belgium and the Netherlands, known as the "Border Triangle". Consequently, Aachen is a major gateway to western Germany. The city is famous as an industrial center, as the final resting place of Charlemagne, founder of the Holy Roman Empire, and for its thermal mineral springs, which produce the hottest running water in central Europe. Overall, Aachen is a lively, cosmopolitan city, with a colorful mixture of languages and people. The Enterprise Rent-A-Car branch in Aachen is less than two-and-a-half miles, or 13 minutes' drive, from the city center via Jülicher Straße, while the Enterprise branch in Aachen Fleischhauer on Europaplatz is a similar distance away.