"+1" . "1.48E10" . . . . . "region of the Rhine and Main rivers" . "Frankfurt Rhine-Main Metropolitan Region" . . . . . . "(Rhein-Main-Gebiet)" . . "Frankfurt Rhine-Main" . "2001-04-01" . . "Frankfurt Rhine-Main area" . . "5808518" . . . . "Rhine-Main Metropolitan Region" . "Rhein-Main" . "Frankfurt Rhine-Main" . . "Rhine Main Region" . . "Frankfurt Rhine-Main Region" . "Rhine-Main" . . . "Frankfurt region" . "Rhine-Main area" . . . . . "Frankfurt/Rhine-Main Metropolitan Region" . "Frankfurt Rhine-Main metropolitan area" . "Rhine-Main Region" . "Rhine/Main region" . . . "Rhein-Main region" . "surrounding area" . . . "Frankfurt/Rhine-Main" . . . "Rhine-Main region" . "in and around Frankfurt" . . . "the Frankfurt Rhine-Main Metropolitan Region" . "Rhein-Main-Area" . . . "Frankfurt & Wiesbaden" . . "Frankfurt/Rhine-Main Region" . . . . .