What is the best 'party city' in Germany for a single guy...any advice would be appreciated!?

I've heard it was(in order of seriousness!):


1.)Cologne


2.)Hamburg


3.)MunichWhat is the best 'party city' in Germany for a single guy...any advice would be appreciated!?
Munich, Cologne, Hamburg and don't miss out Berlin!





Different regions produce different kinds of entertainment and you also need to know what you really want :-)What is the best 'party city' in Germany for a single guy...any advice would be appreciated!?
Berlin is where the party's at!
1- Munich.





2- Cologne.





3- Hamburg.





:-)