German Steel Hub is a term used to describe the city of Essen in Germany. Essen is known for its steel industry and is considered to be the hub of German steel production. It is home to many steel companies, including ThyssenKrupp, one of the largest steel producers in the world. The city has a long history of steel production, dating back to the 19th century. Essen is also known for its cultural attractions, such as the Zollverein Coal Mine Industrial Complex, which is a UNESCO World Heritage Site.