Is Paris, the most beautiful city? It's up to you. You have to see it and decide for yourself. I love New-York, Londres, Vancouver, Budapest, Washington as well, but also tiny little villages far away from everything, just a matter of taste.
Est-ce que Paris est la plus belle ville? Cela depend de vous. A vous d'en juger apres l'avoir vue. J'aime aussi New-York, Londres, Vancouver, Budapest, Chicago, Washington, mais aussi de minuscules villages loin de tout, question de gouts.