Both of those countries are in South America.
(French Guiana is not a country, it is part of France)
french guianna
the continent is Africa it has 20 countries that speak French
Africa has the largest number of French speaking countries.
Africa is the continent with the most french speaking countries because many countries have been dominated and colonized by France and learned french
Cayenne is the capital city of French Guiana, an overseas region and department of France located in South America.
South America
Africa
My guess would be Africa.
There are no countries in Antarctica. Informally, the standard language of science -- Antarctica is a continent dedicated to science -- is English. The second language of science is French.
About 36 total countries speak French in some capacity, 28 officially. If you want a full list, try looking for "French language" on Wikipedia. Most of the countries are in Africa, though there are French speakers on every continent.
Both. Europe is a continent containing some 50 countries including France (French) and Spain (Spanish.)
There is only one country on the continent of Australia, and that is Australia. French is not commonly spoken in Australia.