Wikipedia
The Rheingau (literally "Rhine District") consists of the district on the Northern side of the Rhine between the German towns of Wiesbaden and Lorch near Frankfurt, reaching from the Western Taunus to the Rhine. It is situated in the German state of Hesse and is part of the Rheingau-Taunus-Kreis administrative district. It is famous for Rheingau wines, especially the "Rheingauer Riesling," and its many taverns.
Rheingau is one of 13 designated German wine regions (Weinbaugebiete) producing quality wines (QbA and Prädikatswein). It was named after the traditional region of Rheingau (meaning "Rhine district"), the wine region is situated in the state of Hesse, where it constitutes part of the Rheingau-Taunus-Kreis administrative district. Although, making up only 3 percent of the total German vineyard area, Rheingau has been the source of many historically important innovations in German wine making, and contains many wine producers of international reputation, such as Schloss Johannisberg. Rheingau, with of vineyards in 2008, also boasts a higher proportion of Riesling (78.8%) than any other German wine-growing region, with Spätburgunder (Pinot noir) making up most of the rest (12.2%), followed by Müller-Thurgau (1.6%).