Kamen is a town in North Rhine-Westphalia, Germany, in the district Unna. Kamen is situated at the east end of the Ruhr area, approximately 1…Kamen is a town in North Rhine-Westphalia, Germany, in the district Unna. Kamen is situated at the east end of the Ruhr area, approximately 10 km south-west of Hamm and 25 km north-east of Dortmund. Elections held in May 2014.