Overview
The AU presently has an area of 29,922,059 km² (18,592,705 mi²), with 24,165 km² (15,015 mi²) of coastline. The vast majority of this area is on continental Africa, while the only significant territory off the mainland is the island of Madagascar (the world's fourth largest), accounting for slightly less than 2% of the total.
Read more about this topic: Geography Of The African Union