The Regionalliga West is a German semi-professional football division administered by the Western German Football Association based in Duisburg. It is one of the five German regional football associations. Being the single flight of the Western German state association, the Regionalliga is currently a level 4 division of the German football league system. It is one of five leagues at this level, together with the Regionalliga Bayern, Regionalliga Nordost, Regionalliga Nord and the Regionalliga Südwest.