Rheinhessen is located in the Rhine bow between Mainz, Worms and Bingen and is the largest German wine-growing region. In the warm, dry climate at the 50th latitude, 70% of the grape varieties grown are white, mainly Riesling, Müller-Thurgau and Silvaner. Dornfelder and Pinot Noir dominate the reds. The definition of the ripeness levels, the methods of winemaking and the sensory evaluation of the wines from Rheinhessen PDO are subject to the regulations of the European Union (EU) and, at the same time, are an expression of a wine culture on the Rhine that has seen than thousands of years. "Rheinhessen" is a protected designation of origin.