Berlin, is one of the coolest city for young, freesould mind in Europe, i would say that. In here, you would find a lot of young like-mind student. They would be nerdy, hippies, hipster, everyday normal guy; all you could find in this city. And the nightlife in Berlin is extremely fun !
If someone interested in the ColdWar even,and the partion of the West and East Germany it would be the place for you to visit. Berlin is also the place where it divived the East and the West, the Communist and the Capitalism few decades ago.
By licking on the link you would find out more some local tips to explore Berlin