Mauritania , officially the Islamic Republic of Mauritania (Arabic: الجمهورية الإسلامية الموريتانية), is a sovereign state in Northwest Africa. It is bordered by the Atlantic Ocean to the west, Western Sahara to the north and northwest, Algeria to the northeast, Mali to the east and southeast, and Senegal to the southwest. Mauritania is the eleventh largest country in Africa, and 90 percent of its territo…