Castle Liechtenstein is a castle located near Maria Enzersdorf in Lower Austria south of Vienna. It is located on the edge of the outskirts of the Wienerwald. The castle, originally built during the 12th century, was destroyed by the Turks in 1529 and 1683, and remained in ruins until 1884, when it was rebuilt.
Castle Liechtenstein ("bright stone") is the origin to which the name of the Liechtenstein family, the ruling house of the country of the same name, which owned it from at least 1140 until the 13th century and again from 1807 onwards.
Today, the castle is mainly known for the Nestroy Theatre Festival held annually during the summer months.