Düsseldorf is the capital city of North Rhine-Westphalia, which is the most populous state in Germany. It serves as the central city of the Rhine-Ruhr region, a metropolitan area that ranks as the second largest by GDP in the European Union and extends from Bonn through Cologne to the Ruhr.
Located primarily on the right bank of the Rhine, Düsseldorf is the sixth-largest city in Germany. As of 2024, it has a population of 618,685 and functions as a major urban hub that has grown in conjunction with several neighboring municipalities, including Neuss, Krefeld, Hilden, Langenfeld, Ratingen, Meerbusch, Dormagen, Erkrath, Solingen, and Monheim.