Coordinates: 50

° 46 N 6 ° 06 E / 50.767, 6.1 Halifa x Toledo Ningbo Naumburg Arlington Cape Town Image: Flag of Kostr oma Russia.svg Rosh HaAyin liege Aachen (Aachen, German # 160;? / I, fr. Aix -la-Chapelle, nid. Aken) - German city districts belo nging to both urban region of Aachen in North Rhine-Westphalia, directly on the border with Belgium and the Netherlands. Electrical engineering, metal, machinery and rolling stock, the production of chocolate.