Oranienbaum-Wörlitz is a town in the district of Wittenberg, in Saxony-Anhalt, Germany. It was formed on 1 January 2011 by the merger of the former municipalities Oranienbaum, Wörlitz, Brandhorst, Gohrau, Griesen, Horstdorf, Kakau, Rehsen, Riesigk and Vockerode.