Rheingau is one of the 13 German wine-growing regions, notable primarily for its superior Riesling wines. Overall, Rheingau is the German wine-growing region that has the highest proportion of Riesling production (78.8%) as a percentage of all wine produced. Other wines play only a minimal role in the region’s wine culture, including Spatburgunder (12.2%) and Müller-Thurgau (1.6%).