What country houses a capital that is one of the largest cities in the Saraha and is also home to The World Heritage Site?
Banc d'Arguin National Park: The Banc d'Arguin National Park (Arabic: حوض أركين‎ ‎ ) of Bay of Arguin lies in Western Africa on the west coast of Mauritania between Nouakchott and Nouadhibou. Banc d'Arguin National Park:  The World Heritage Site is a major breeding site for migratory birds, including flamingos, broad-billed sandpipers, pelicans and terns. Much of the breeding is on sand banks including the islands of Tidra, Niroumi, Nair, Kijji and Arguim. Nouakchott:  It is one of the largest cities in the Sahara.
Mauritania