Weinheim is a town with about 43,000 inhabitants in northwest Baden-Württemberg, Germany. It is in the Rhine-Neckar Metropolitan Region, approximately 15 km (9 mi) north of Heidelberg and 10 km (6 mi) northeast of Mannheim. Weinheim is known as the "Zwei-Burgen-Stadt", the "town of two castles", after two fortresses overlooking the town from the edge of the Odenwald in the east.

The Rhine-Neckar Metropolitan Region, often referred to as Rhein-Neckar-Triangle, is a polycentric metropolitan region located in south western Germany, between the Frankfurt/Rhine-Main region to the North and the Stuttgart Region to the South-East.