what european cities would you recommend?

Im planning a trip to europe after im done high school in a few months. Ive got a good idea of where i want to go, but i want some input. What is YOUR favorite european city and why. And no, im not looking for "Paris! i hope i can go there one day!". I mean places you have ACTUALLY been. thanks! also tell me about places that arent too expensive!

Public Comments

1. BARCELONA : MOST BEAUTIFULL CITY IN THE WORLD AMSTERDAM : NICE BUT VERY EXPENSIVE BERLIN : MY FAVORITE CITY