It was established on April 1, 2002 by the merger of 13 villages:Centre of the municipality is Lehnin. It is best known for Lehnin Abbey, the oldest monastery in the Margraviate of Brandenburg, established in 1180 by Margrave Otto I. The adajacent settlement developed about 1415 out of a market held by the monks outside the abbey walls.
Today, this well-maintained area includes the renovated monastery church and other Gothic buildings.
<gallery>File:Reckhahn manor house SE.jpg|Manor house in ReckahnFile:Krahne church.jpg|Church in KrahneFile:Reckhahn Messdunk Kirche.jpg|Church in Reckahn-Meßdunk</gallery>