Barcelona, been before and going again, it was that good! kabul youth hostel in plaza reial off las ramblas is where most backpackers congregate or pass through to meetup and decide what to do, you have to pop in around 7ish to meet the crowd, also has cheap drinks, great atmosphere. clubbing was cool all times i went, pple in barcelona are so chilled out compared to london, but similarly it's too international to touch the culture, do all the usual sightseeing, and shopping in zara, but my own tip is do the start clubbing at 12, finish at 5ish, go to the beach for the sunrise, then hit the cafe's around 6/7ish for a blowtorched hot chocolate, pain au "whatever u want", or fresh orange juice, then sleep for the morning and get up so u can travel around 2...