Knappensee (municipality)

Knappensee (German) or Hórnikečanski jězor (Upper Sorbian) was a municipality in the northeastern part of Saxony, Germany, east of Hoyerswerda.

It was formed in 1995 by the merger of the three municipalities Groß Särchen, Koblenz and Wartha,<ref>Gebietsänderungen vom 01.01. bis 31.12.1995, Statistisches Bundesamt</ref> 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.<ref>Gebietsänderungen vom 01.01. bis 31.12.2005, Statistisches Bundesamt</ref>