Knappensee
Knappensee was a municipality in the northeastern part of Saxony, Germany, east of Hoyerswerda. It was formed in 1995 by the merger of the 3 municipalities Groß Särchen, Koblenz and Wartha, and was named after the lake Knappensee. In 2004 it was disbanded. Groß Särchen and Koblenz became parts of Lohsa, Wartha became a part of Königswartha.