Köthen is a city in Germany. It is the capital of the district of Anhalt-Bitterfeld in Saxony-Anhalt.
Köthen is the location of the main campus and the administrative center of the regional technical university Hochschule Anhalt which is especially strong in information technology.
Köthen is situated in a fertile area with rich black soil suitable to the cultivation of sugar-beets. Industry includes high-tech engineering, manufacture of cranes, as well as chemicals, printing, and foodstuffs. (source)
Thank you Andreas!