Switzerland is divided into three main Wine growing regions. Romandie Region, German Region and Ticino
The Romandie region is made up out of the Cantons of Geneva, Vaud, Valais, Freiburg, Neuchatel, german and the Lake of Biel in the canton of valais.
The German region comprises the Cantons of Basel-Country Basel-Stadt, three_lakes, Aargau, Schaffhausen, Thurgau, St Gallen, Glarus, Zurich, Schwyz, Zug, Lucerne, Obwalden, Nidwalden, Appenzell Outer Rhodes and Appenzell Inner Rhodes internal Uri, Grisons and valais with the exception of the Lake of Bienne.
Italian Region(Ticino) The Italian Swiss Cantons of Ticino.