This is the trip of a Moroccan ambassador to Astana and then to the Hajj in the era of Sultan Sidi Muhammad bin Abdullah in the eighteenth century, its owner played serious roles for his direct contribution to ending centuries of hostility, tension and caution in Morocco's relations with his European neighbors. As for his journey, it constitutes a document on the capital of the capital of the Ottoman Empire and its Arab states, especially the Levant, indicates the accuracy of the ambassador's observation and his attention to the various economic, social, political, intellectual and geographical fields. The Meknesi certificate contributes to the disclosure of the inaccuracy of the images that drew the Ottoman Empire in both historical and Arab historical studies.