(Western Africa, Eastern Africa, Northern Africa, Central Africa, Southern Africa)
As the second largest continent, Africa has an area of 30.3 million square kilometers, which represents 20.4 percent of the Earth’s land area. The name Africa derives from Roman times. In Roman times, “Africa” was the name of the Carthage area of present-day northeast Tunisia. Later, Africa became the name of the south coast of the Mediterranean and has been the name of the African continent since the Middle Ages.