The capital of Germany is Berlin. It is also the largest city in Germany with around 2 million people. Berlin is a very liberal and open-minded city that has a lot of young people and a very diverse population. It has a lot of art and culture and is very liberal when it comes to sex and drugs. Berlin also has a lot of nightclubs and bars, and it is a very young and vibrant city. It is very different from other big cities, like Munich or Frankfurt, which are much more conservative than Berlin.