North Rhine-Westphalia is the most populous state of Germany, with around 18 million inhabitants, as well as the fourth largest by area, with 34,083 square kilometres. North Rhine-Westphalia was formed in 1946 as a merger of the northern Rhineland and Westphalia, both formerly parts of Prussia. Its capital is Düsseldorf; the biggest city is Cologne. Four of Germany’s ten biggest cities—Cologne, Düsseldorf, Dortmund, and Essen—are located in North Rhine-Westphalia.
For all the information look up the North Rine-Westphalia official website : https://land.nrw/en
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