They're both extremely chavvy and full of sluts and sleazy guys. If I were you I'd go away for a nice long weekend in Venice or Florence or something.
yer you could go for a mad rave round the uffusi, or get wasted and go for a swim in the grand canal seriously though both great cities, although for nights out try prague or moscow.
Went to Zante last year and had an awesome time, it's not as chavy as everyone says, and any chavs you do see or meet are generally the higher class of chavs, however shagaluf on the other hand....