Unkel . · Mosel-Saar-Ruwer The Mosel-Saar-Ruwer wine-growing-region includes the valleys where the Mosel (French: Moselle), Saar and Ruwer Rivers flow. This regions includes Bernkastel-Kues , Koblenz , Saarburg and Trier . · Nahe Region in Rheinland-Pfalz along the Nahe River and its tributaries of the Glan and Alsenz Rivers. The Nahe