 Mozambique finally created a conservation area, including a coastline.West Africa, broadly defined to include the western portion of the Maghreb (Western Sahara, Morocco, Algeria, and Tunisia), occupies an area in excess of 6,140,000 km2, or approximately one-fifth of Africa.The vast majority of this land is plains lying less than 300 meters above sea level, though isolated high points exist in numerous states along the southern shore of West Africa.