Africa is the World's second-largest continent - 30,065,000 km² covering approximately 20% of the Earth's land and 6% of the Earth's surface .
It is bordered by the Atlantic Ocean to the east, the Indian Ocean to the west and the Mediterranean Sea to the north. The Red Sea and Suez Canal lie to the north-east and separate Africa from Asia.
The longest river in the World, The Nile, measuring 6,695 km - flows north ending in a delta that empties into the Mediterranean Sea.
The World's largest desert, The Sahara, measuring 9,000,000 km², covers much of north Africa. The Kalahari desert in south-west Africa measures 259,000 km².
The Atlas mountain range lies in the north-west of Africa and the highest mountain, Kilimanjaro, 5895 m, is in Tanzania.
And here's a image to get an idea of how big it actually is. Cuz most of you guys probably don't know the metric system