The "German Wine Institute" is an institution of the German wine industry. It was founded in 1949 under the name "Deutsche Weinwerbung GmbH". Together with the DWF (German Wine Fund), the institution was based in the "House of German Wine" in Mainz. In Aril 2016, both moved into an office building in Bodenheim, a municipality directly adjacent to Mainz, and the address was specially changed to "Platz des Weines 2". Together with the DWF, the DWI has been promoting the sales and quality of German wines...
There is a vast number of sources on the web where one can acquire knowledge about wine. But none has the scope, timeliness and accuracy of the information in the encyclopaedia at wein.plus. I use it regularly and rely on it.
Sigi Hiss
freier Autor und Weinberater (Fine, Vinum u.a.), Bad Krozingen