Hainburg an der Donau - Austrian town, located in the federal state of Lower Austria in the area of ​​Bruck an der Leitha, 40 km from Vienna. Hainburg is the easternmost town on the Danube, just a few kilometers from the border with Slovakia.

The first inhabitants of the area were the Celts. Today, the city is close to the ancient Roman settlement of Carnuntum - the capital of the Roman province of Pannonia, where he lived once Marcus Aurelius. Emperor Henry III in 1050 ordered the construction of the castle Heymburg. Today Heymburg with its city walls, gates and towers is the most well-preserved fortification in Europe. In 1108 the castle passed into the possession of Babenberg. In the years 1220-1225 the castle was fortified, appeared Viennese Gate (the largest medieval gates built in Europe).

Hainburg an der Donau received city rights in 1244.

In 1683, the city and the castle was badly damaged during the Turkish War. The population fled the city, in the narrow alleys of the crush occurred and the massacre. From the documents of the time it is known that killed more than 8,000 people.

During the Second World War the city suffered little. After the war, Tobacco Factory became the city's main source of income.

In 1984, he considered the project on the construction of a power plant in Hainburg, however, the protests of the townspeople were so strong that the federal government after a few run-ins with the police to abandon the project. Today this area is part of the National Park Donau-Auen.

For visitors and tourists the main interest is the preserved medieval fortress wall length of 2, 5 kilometers with three gates and 15 towers of the 13th century. Inside the gates of Vienna is an interesting town museum. Also interesting is early Baroque parish church of Sts. Philip and James, and the column of the Virgin Mary in the Rococo style in the town square.