Munich is the capital and most populous city of Bavaria, the second most populous German federal state. Modern Munich is not only the center of cultural values, but also a large industrial and research center. Thanks to renowned universities, one of the most significant Bavarian State Libraries in the world, the Max Planck and Heinz Mayer-Leibniz institutes, the nuclear research reactor and many other institutions, Munich holds a strong position in European science. Munich is also rightfully considered the IT capital of Germany. Real estate in Munich is the most expensive in Germany.