Bitterfeld-Wolfen is a town in the district of Anhalt-Bitterfeld, Saxony-Anhalt, Germany. It is situated in south-eastern Saxony-Anhalt, west of the river Mulde, in an area dominated by heavy industry and lignite mining. The town was formed by merger of the towns of Bitterfeld and Wolfen and the municipalities of Greppin, Holzweißig and Thalheim on 1 July 2007.

Saxony-Anhalt is a state of Germany, bordering the states of Brandenburg, Saxony, Thuringia and Lower Saxony. It covers an area of 20,451.7 square kilometres (7,896.4 sq mi) and has a population of 2.17 million inhabitants, making it the 8th-largest state in Germany by area and the 11th-largest by population. Its capital is Magdeburg and its largest city is Halle (Saale).