The Austrian part of the National Park covers 1.330 ha, 1.260 ha are nature zones and on 70 ha. of nature zone with management interference for the protection of ecosystems is authorized. The buffer zone comprises less than one hectare. The Czech Národiní Park Podyjí is 6.620 ha wide, of which 2.220 ha represent the core zone, 2.260 ha the care zone and 1.780 ha the buffer zone.
The privilege issued by Emperor Friedrich lll to the town of Retz in 1458 was the primary cause for the extension of its cellar vaults. This and subsequently issued privileges granted every citizen the legal right to trade with wine.