Sekt
Sparkling wines
Sekt is the German and Austrian word for sparkling wine. Most of it is tank-method wine from bought-in base wine. The best is bottle-fermented Riesling.
Base grapes
More in sparkling wines
Sources
Facts: Wikipedia, Sekt (CC BY-SA 4.0) and Wikidata Q2141096 (CC0). The description, the grape list and the bands are ours.