North Rhine-Westphalia (, Low Franconian: "Noordrien-Wesfale", Low German: "Noordrhien-Westfalen", Kölsch: "Noodrhing-Wäßßfaale") is the federal state (Bundesland) with the highest population in Germany. It is in the western part of Germany and has 18,033,000 inhabitants. The capital is Düsseldorf, while the city with the most inhabitants is Cologne.