The most popular European cities on Tripadvisor: Shift Ranking of October 3010/30/2014October 30, 20141. Istanbul, Turkey | 2. Rome, Italy | 3. London, UK | 4. Prague, Czech Republic | 5. Paris, France | Source: Tripadvisorhttps://p.dw.com/p/1DegeImage: Mandel Ngan/AFP/Getty ImagesAdvertisement