The estate is located in the municipality Unterretzbach near Retz in the Lower Austrian wine region Weinviertel
, The name, which has been in use since 2003, derives from the "sun hill" wine of several varieties, which was bottled for the first time by the grandfather of the current owner. The company is managed today by Christoph Schleinzer. A "Heuriger Sonnenhügel" is connected. The white varieties Grüner Veltliner, Welschriesling, Pinot Blanc, Chardonnay, Riesling, Gelber Muskateller and Sauvignon Blanc, as well as the red varieties Zweigelt and Blauburger are cultivated and processed. Among the premium wines count and GV Altenberg (both Grüner Veltliner) and the red wine "Baldur" (Zweigelt).