Brauerei Hofstetten, located in St. Martin im Mühlkreis in Upper Austria, is widely regarded as Austria's oldest brewery, with roots tracing back to 1229. Housed in the historic Landbrauhaus Hofstetten at Adsdorf 5, the brewery has maintained an unbroken tradition of craftsmanship across centuries, making it one of the most historically significant brewing establishments in the German-speaking world. The brewery's portfolio is defined by its commitment to traditional Austrian and Central European beer styles, with a particular focus on bock and specialty beers. Among its most celebrated offerings is the Hofstettner Granitbock Ice, an Eisbock brewed at 11.5% ABV that draws on historic freezing techniques to concentrate malt character and alcohol. The brewery also produces Hofstetten's Original Hochzeitsbier von 1810, a specialty beer with documented heritage, as well as a Granit Bock Stein Beer — a style rooted in ancient stone-brewing traditions. Breuerei Hofstetten is distributed internationally, including through importers such as B. United International and Louis Glunz Beer Inc. The Hofstettner Granitbock Ice has earned recognition among craft beer enthusiasts worldwide, with an Untappd rating of 3.63. The brewery regularly opens its doors to visitors through guided open days at its historic Landbrauhaus, offering a direct connection to centuries of Austrian brewing heritage.