The estate is located in the Burgenland municipality of Großhöflein on the southern slope of the Leitha Mountains in the DAC area Leithaberg (Austria). It has been owned by the family since 1775. Anton Kollwentz (* 1940) is the grand seigneur of Burgenland. In 1963 he pressed the first outbreak outside of Rust, From the early 1970s, he gained a legendary reputation for his dry white wines. With his penchant for perfection and his openness to innovation, Anton Kollwentz became a driving force behind the “Austrian red wine miracle” of the 1980s.
His son Andi returned to his parents' winery after completing his training at the wine-growing school in Klosterneuburg and subsequent internships in France. With the 1993 vintage, he took over responsibility in the cellar and has been managing the estate's fortunes with his wife Heidi Kollwentz since 2004. The vineyards cover 23 hectares in the Steinzeiler vineyards (already mentioned in 1569), Tatschler, Dürr, Eichkogel, Gloria (at 325 m above sea level the highest location in the Leithagebirge), Haussatz, Point, Setz and stone mill, 65% of them are planted with the red varieties Zweigelt, Blaufränkisch , Cabernet Sauvignon and Pinot Noir, and 35% with the white varieties Chardonnay and Sauvignon Blanc.
The flagship is the red wine cuvée Steinzeiler (80% Blaufränkisch , Cabernet Sauvignon, Zweigelt). Other premium wines are the single-layer Blaufränkisch from Point and Setz, the single-layer Chardonnays Tatschler, Neusatz and Gloria, and the Sauvignon Blanc stone mill. The vinotheque has wines dating back to 1944. Around 100,000 bottles of wine are produced annually. It also produces brandy that has aged in barrels for 21 years. The winery is a member of the association Renowned wineries Burgenland (Anton Kollwentz was the initiator and first president).