Gabon in French is Gabon. It can also be called République Gabonaise.
They are called Gabonese in English, Gabonaise in French, the official language.
Le Gabon (masculine noun)
Because Gabon was once a colony of France.
France officially occupied Gabon in 1885.
Until 1970 Gabon was a former French colony.Source: CIA World Fact BookBecause at one point it was a French colony.
"C'mon, Gabon!" is an English equivalent of the French phrase Va, Gabon! The exclamatory phrase may be heard at athletic competitions and sports events. The pronunciation will be "va ga-bo" in French.
French is the National Language so use French Terms!
I think so as it is on the list of french speaking countries on http:/www.fll.vt.edu/French/francophonie.html
In 1839, France established a protectorate over the area encompassing Gabon. In 1862, France took the next step to colonizing the area by its control and taking full control of the area. In 1910, Gabon officially became a part of French Equatorial Africa.
After French, the second most widely spoken language in Gabon is Fang, spoken by about a third of the population.
Many countries are indeed French-speaking. Congo DRC, Congo, Gabon are just an example.