|Time zone:||CET, UTC+1|
|Dialing code:||(+49) 035754|
The village was first mentioned in 1370 with the name of Cleticz. Until December 31, 2001 it was an autonomous municipality merged into Schipkau.
Klettwitz, part of the Lower Lusatia region, is located close to the borders with Saxony, 2 km in north of Schipkau. It is 6 km far from Senftenberg, 50 from Cottbus and 63 from Dresden. It is served by the motorway A13, connecting Dresden with Berlin, at the exit nr. 15 ("Klettwitz").
Some municipal localities (Siedlungsgebiete) are part of the suburb of Klettwitz. They are Herrnmühle (Knězny młyń, seat of the old hospital), Staudemühle (Pušćadłowe młyń), Treuhandsiedlung (Drjewojske sedlišćo) and Wilhelminensglück (Wilhelmincowy Gluki).
The Bergheider See is an artificial lake created in the pit left by the Klettwitz Nord mine.