Libya, officially the Great Socialist People's Libyan Arab Jamahiriya, is a country located in North Africa. Bordering the Mediterranean Sea to the north, Libya lies between Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west. With an area of almost 1.8 million square kilometers (700,000 sq mi), 90% of which is desert, Libya is the fourth largest country in Africa by area, and the 17th largest in the world.