Wittenberg is a district in the east of Saxony-Anhalt, Germany. Neighboring districts are Anhalt-Bitterfeld, the district-free city of Dessau-Roßlau, the districts of Potsdam-Mittelmark, Teltow-Fläming and Elbe-Elster in Brandenburg, and the district of Nordsachsen in Saxony. The capital and largest city is Wittenberg, famous for its association with the influential religious reformer Martin Luther and containing a UNESCO World Heritage Site.