Plessa is a municipality in the Elbe-Elster district, in Brandenburg, Germany.
Following a redrawing of local boundaries which took effect on 31 December 2001, the municipality includes two additional settlements, and therefore now includes Plessa-Süd, Döllingen and Kahla.
Plessa is an Amt ("municipal federation") in the district of Elbe-Elster, in Brandenburg, Germany. Its seat is in Plessa.
The Amt Plessa consists of the following municipalities: