Pforzheim is a town of nearly 120,000 inhabitants in the federal state of
Baden-Württemberg, in the southwest of
Germany. It is known for its jewelry and watch-making industry, and as such has gained the nickname "Goldstadt" ("Golden City"). It has an area of and is situated between the cities of
Stuttgart and
Karlsruhe at the confluence of three rivers (
Enz,
Nagold and
Würm) and marks the frontier between
Baden and
Württemberg, being located on Baden territory. From 1535 to 1565 it was the home to the
Margraves of Baden-Pforzheim.