Randstad, the Flemish Diamond and the FrankfurtRhine Main Region. The metropolitan area is named after the Rhine and Ruhr rivers, which are the region's defining
Rhein-Main-Gebiet or Frankfurt/Rhein-Main, abbreviated FRM), is the second-largest metropolitan region in Germany after Rhine-Ruhr, with a total population
the Rhine-Ruhr metropolitan area, the largest urban area in Germany and the fourth-largest on the European continent. The location of the Rhine-Ruhr at
end point of the newly built Cologne–Frankfurt high-speed rail line, which links southern Germany to the Rhine-Ruhr metropolitan area, the Netherlands and