A vineyard or site (also Steinporz) in the municipality of Spitz a. d. Donau in the Lower Austrian wine-growing region of Wachau. It is a hill in front of the Hartberg. Porz", "Parz" or "Borz" used to refer to a rather flat elevation with stony subsoil. The steeply terraced vineyards face east-south-east and cover 23 hectares of vines at an altitude of 304 to 364 metres above sea level with slopes of 1 to 37°.

The soils, consisting of loess and loam with a sandy, low-calcareous structure, are medium-humic, dry and highly permeable and therefore have a low water retention capacity. The dominant varieties are Grüner Veltliner (15 ha) and Riesling (5 ha), followed by Muscat, Pinot Blanc, Zweigelt, Müller-Thurgau, Neuburger, Neuburger, Chardonnay, Frühroter Veltliner, Roesler and Blaufränkisch. The Gebetsberger, Gritsch Mauritiushof, Hirtzberger Franz, Hofstätter and Lagler Karl wineries, for example, have shares in the vineyard.
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