Ahaus is a town in the district of Borken in the state of North Rhine-Westphalia, Germany. It is located near the border with the Netherlan…Ahaus is a town in the district of Borken in the state of North Rhine-Westphalia, Germany. It is located near the border with the Netherlands, lying some 20 km south-east of Enschede and 15 km south from Gronau. Ahaus is the location of one of Germany's interim storage facilities for radioactive spent fuel.