From the Wikipedia page 
Elbe-Elster is a Kreis (district) in the southern part of Brandenburg, Germany. Neighboring districts are Teltow-Fläming, Dahme-Spreewald, Oberspreewald-Lausitz, Meißen, Nordsachsen and Wittenberg. The district has a partnership with the Märkischer Kreis.
The district was established in 1993 by merging the former districts (Kreise) of Finsterwalde, Bad Liebenwerda and Herzberg.