Countries where French is an official language:
* Africa: Benin, Burkina Faso, Burundi, Cameroon, Central African Republic, Chad, Comoros, Côte d'Ivoire, Democratic Republic of the Congo, Djibouti, Gabon, Guinea, Guinea-Bissau, Madagascar, Mali, Mauritania, Morocco, Niger, Rwanda, Senegal, Seychelles, Togo, and Tunisia.
* Europe: Belgium (alongside Dutch and German), France, Luxembourg, Monaco, Switzerland (alongside German and Italian).
* North America: Canada (alongside English), Haiti.
* South America: French Guiana (an overseas department of France).
* Oceania: New Caledonia, Vanuatu (alongside English and Bislama), and Wallis and Futuna (an overseas collectivity of France).
Other countries where French is spoken by significant populations:
* Europe: England, Germany, Italy, Spain, Portugal, and the Netherlands.
* North America: The United States (particularly in Louisiana).
* Asia: Lebanon, Vietnam (though the official language is Vietnamese).
* Africa: South Africa (particularly in the Western Cape).
* Oceania: Australia.
It's important to note that the level of French fluency can vary greatly within these countries, and some regions might use French more commonly than others.
Do you have a specific region or country in mind that you're interested in learning more about?