The village derives the second half of its name, Carnuntum, from the ancient Roman legionary fortress and headquarters of the Pannonian fleet from 50 AD, and later a large city of 50,000 inhabitants.

Agnes of Poitou (d. 1077), the widow of Emperor Henry III, gave the lands, which extended to Rohrau Castle, to Count Palatine Rapoto V of Bavaria.

He possibly dedicated the local church to the patron Saint Petronilla in her honour.

At the beginning of the 12th century Henrys descandent Diepold III, Margrave of Vohburg, gave the lands to Hugo von Liechtenstein (d.

From 1496 the estate was in the hands of different owners until it came to Ernst III of Traun by marriage in 1650 who was made Count of Abensberg-Traun in 1653.

It lies on the southern bank of the Danube, southwest of Hainburg an der Donau.

[10] Collaborators from Greece include Irini Pappas, Michalis Kakogianis, and Theodoros Terzopoulus, and the popular festival has become known as an international centre for ancient drama as well as European classical and modern music.