Ilse Mazza produces wines from Austria's Wachau region, a steep-terraced valley in Niederösterreich known for mineral-driven white wines. The winery's portfolio centers on Grüner Veltliner and Riesling, the region's signature varieties. Ilses Lesung, a Grüner Veltliner, represents the winery's work with this crisp, peppery grape. The Riesling program spans styles from the Smaragd Ried Vorder Seiber—a dry, full-bodied expression from the region's highest classification—to the Ried Vorder Seiber Riesling Auslese, a sweet wine made from late-harvested fruit. Wachau's terraced vineyards and continental climate create the conditions for both aromatic precision and concentrated fruit. Wine Spectator, Falstaff, and Wine Advocate have rated Ilse Mazza's releases.