The Leopold and Silvane Sommer winery is located in the municipality of Donnerskirchen in the DAC area of Burgenland Leithaberg
(Austria). The family has documented viticulture since 1698. A guest house is connected. The vineyards cover 20 hectares of vineyards. They are 75% with the white varieties Grüner Veltliner (6.5 ha), Welschriesling (3 ha), Riesling, Chardonnay, Sauvignon Blanc, Nutmeg-Ottonel, Gewürztraminer and Rivaner, and 25% with the red varieties Blaufränkisch
, Zweigelt , Cabernet Sauvignon, St. Laurent and Merlot planted. Leopold Sommer is also known as "Mister Veltliner", because for Burgenland top wines from this variety are vinified in the four variants "L&T" (light and dry), "Classic", "Premium M" and "Reserve". Other premium wines are the "Cuvée Noire Leithaberg" (Zweigelt, Blaufränkisch
), the white wine cuvée "Primus Pannonikus" (Grüner Veltliner, Rivaner), Sauvignon Blanc Premium and Blaufränkisch
Premium. There are also fine brandies, bottle-fermented sparkling wine and a altar wine
generated. An export takes place to Germany, England, Switzerland, Czech Republic and USA. The winery is a member of the two wine associations Weinquartett Donnerskirchen and Vinology.