Mettmann is a Kreis (district) in the middle of North Rhine-Westphalia, Germany. Neighboring are the Ennepe-Ruhr, Rhein-Kreis Neuss, Rheinisch-Bergischer Kreis and the
district-free cities Cologne, Leverkusen, Wuppertal, Solingen, Düsseldorf,
Duisburg, Mülheim, Essen. From Wikipedia
