Where can I find Champagne in Gross SZ?

Champagne can also be found in these cities:

Baar Einsiedeln Goldau Horgen Ibach SZ Ingenbohl Lachen Männedorf Richterswil Rüti Stäfa Thalwil Unterägeri Uznach Wald Wädenswil Zug

You can also find this in Gross SZ:

Sugar Baked Goods Yeast Fresh Pumpernickel Breakfast Cereals Olives Drinks Dry Herbs Spaetzle Snacks