The phrase "Where are you from?" in French is: D'où viens-tu ? (informal) or D'où venez-vous ? (formal or plural) If you want to ask more specifically "Where are you from?" in terms of country or city, you can also say:
- Tu viens d'où ? (informal)
- Vous venez d'où ? (formal/plural)
Let me know if you'd like help with pronunciation or other related phrases!