Altenburg Abbey - Benedictine monastery located in Altenburg in Lower Austria. The monastery was founded in 1144 by Countess Hildenburg. The abbey was built under the guidance of architect Josef Muungenasta Baroque. Many outstanding craftsmen and artists worked on this project: Paul Troger created murals, Franz Joseph Holdzinger worked on the stucco, and Johann Georg Hoppl engaged in interior decoration marble.

In 1793, Emperor Joseph II forbade taking new novices in the monastery, but unlike many other monasteries in Austria, Altenburg managed to avoid closing.

In 1940, the activities of the abbey has been suspended because of the Nazis, and in 1941 the monastery was completely dissolved: the abbot was arrested. Since 1945, the space was used as a barracks for the Soviet occupation forces.

After World War II, the monastery was restored under the direction of the abbot Maurus Knappeka. In 1961, the Abbot Maurus created a boys' choir, which was on tour in various European countries, Israel, Japan and Brazil.

Of interest to explore a treasure trove of the monastery and library stand out unique painting the walls and ceiling of the abbey.