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The designation ‘UNESCO World Heritage Site’ was established in 1972 under the UNESCO Convention Concerning the Protection of the World Cultural and Natural Heritage. Currently (2026), 1,273 sites are inscribed on the World Heritage List (991 cultural, 240 natural and 42 mixed properties in 173 countries). The key criterion for UNESCO World Heritage status is ‘Outstanding Universal Value’ (OUV). The UNESCO World Heritage Committee decides on inclusion on the World Heritage List.

Press conference, 23 September 2026

"The Lost City"

Documents relating to the Forum Donaulimes press conference on 23 September 2026, held to mark the latest archaeological discoveries in the Enns–St Pantaleon-Erla area

The lost city_PC_Forum_Donaulimes_2026-09-23.pdf (377.35 KB)

fig. 1: The settlement landscape between Enns and St Pantaleon-Erla (©OÖLKG) (10.08 MB)

fig. 2: The settlement landscape between Enns and St Pantaleon-Erla, with visualisations (©OÖLKG/7reasons) (10.41 MB)

fig. 3: Geophysical measurements (magnetometry) in Stein/St. Pantaleon-Erla (©GeoSphere Austria) (3.83 MB)

fig. 4: Geophysical measurements (radar) in Stein/St. Pantaleon-Erla (©GeoSphere Austria) (6.58 MB)

fig. 5: The lost city of Claudivium? / Stein: geophysical measurements and visualisation (©GeoSphere Austria/7reasons) (1.72 MB)

fig. 6: The Claudivium?/Stein amphitheatre: geophysical data and visualisation (©GeoSphere Austria/7reasons) (3.24 MB)