Pforzheim is a town of nearly 119,000 inhabitants in the state of Baden-Wurttemberg, southwest Germany at the gate to the Black Forest. It is World-famous for its jewelry and watch-making industry. Until 1565 it was the home to the Margraves of Baden. Because of that it gained the nickname "Goldstadt" or Golden City. It has an area of 98 sq km and is situated between the cities of Stuttgart and Karlsruhe at the confluence of three rivers (Enz, Nagold and Wurm) and marks the frontier between Baden and Wurttemberg, being located on Baden territory. Pforzheim is located on the Bertha Benz Memorial Route.