Atar - Like all the old cities of Mauritania, Atar was born from the traditional trade between North (salt of the Sahara), the South (millet of the Sahel), and the cities of the faith (Chinguetti) and the knowledge (Ouadane). Less threatened by the attacks of the plunderers, the caravans chose the trading post of Atar as developed the trade with Morocco and Senegal. At the beginning of XXth century, Atar had become the political capital of Adrar.