Mülheim, officially known as Mülheim an der Ruhr, is a city located in the state of North Rhine-Westphalia in western Germany. Often described as "City on the River," it is situated within the Ruhr Area, positioned between the cities of Duisburg, Essen, Oberhausen, and Ratingen.
The city serves as an industrial and academic hub, housing numerous companies and two Max Planck Institutes. It is characterized by its location in a major German metropolitan region and its role as a center for various commercial and research entities.