North Rhine-westfalen (China "North Rhine-westfalen" for short) is a federal state located in the west of Germany, with a population of over 6,543,800+0,800. It covers an area of 34,080 square kilometers. The most populous state in Germany. Located in the west of Germany. It covers an area of 34,067 square kilometers and has a population of 1, 7104000 (1991). The capital, Dusseldorf. The terrain is high in the southeast and low in the northwest, mostly belonging to the Rhine River basin.