Best City Selection for a Student in Poland? quality of university, liveability, nightlife, price

Hi everyone,
I want come Poland for university but I'm still still undecided.
Which city is better for student?The quality of university, liveability, nightlife,price etc..., Warsaw,Krakow,Wroclaw,Gdansk,Lodz...?
I would be glad if you help.
Thanks.

Which country are you coming from?

I live in Warsaw, the student life isn't bad I am here for business. I hear krakow is a pretty great place for students as well.

Called Warsaw more expensive than Krakow and Wroclaw. Is it true?
And which university is better? Wroclaw University of Technology or Krakow University of Technology?
Thanks.