No U.S. state speaks French, however there are large French-speaking populations in many major cities, particularly in Louisiana.
Paris and Bordeux
The whole country of Madagascar has French-speaking populations, usually the highly educated. Antananarivo, the capital city, like other Malagasy cities has a french speaking population.
Paris and New Orleans.
there are 43 french speaking countries
Quebec, Toronto, Paris, Winnipeg, Switzerland, Belguim
There are 53 french speaking countries in the world.
Paris and Djibouti are both capital cities, both their countries' largest cities, both primarily French-speaking (Djibouti was founded by the French in 1888).
The largest city is Zürich (German speaking) then in order Geneva (French speaking, Genève in French), Basel (German) Bern (the capital, German) Lausanne (French)
pretty much all of Canada, the main city is Montreal