German wine is primarily produced in the west of Germany, along the river Rhine and its tributaries, with the oldest plantations going back to the Roman era. Approximately 60 percent of the German wine production is situated in the federal state of Rhineland-Palatinate, where 6 of the 13 regions (Anbaugebiete) are situated. Germany as the eighth largest wine-producing country in the world. White wine accounts for almost two thirds of the total production. Among enthusiasts, Germany's reputation is primarily based on wines made from the Riesling grape variety, which at its best is used for aromatic, fruity and elegant white wines that range from very crisp and dry to well-balanced, sweet and of enormous aromatic concentration.