Euregiobahn is a system of regional trains in the combined area of the AVV at the Aachen (district), Düren (district) operated by DB Regio NRW.

Aachen Hauptbahnhof is the most important railway station for the city of Aachen, in the far west of Germany near the Dutch and Belgian border. It is the largest of the four currently active Aachen stations, and is integrated into the long-distance network.