1. Belgium: French is one of the official languages alongside Dutch (Flemish) and German.
2. Switzerland: French is one of the four official languages, alongside German, Italian, and Romansh.
3. Luxembourg: Luxembourgish is the official language, but French and German are also widely spoken.
4. Canada: While not in Europe, Canada has French as one of its official languages, spoken alongside English, especially in Quebec.
Let me know if you have any more questions!