ドイツ連邦共和国ノルトライン＝ヴェストファーレン州で一番面積の広い市町村はどこ？
North Rhine-Westphalia is located in western Germany covering an area of . With a population of 17.9 million, it is the most populous state in Germany. It is also the most densely populated German state apart from the city-states of Berlin, Bremen, and Hamburg, and the fourth-largest by area. Düsseldorf is the state capital and Cologne is the largest city. North Rhine-Westphalia features four of Germany's 10 largest cities: Düsseldorf, Cologne, Dortmund, and Essen, and the Rhine-Ruhr metropolitan area, the largest in Germany and the third-largest on the European continent.
Cologne