Jonas tomb in Ninevah across the Tigris from Mosul in northern Iraq 1922. The prophet Jonah, Jonas, Younes in Arabic, Younan in Assyrian, was 8th century B.C. prophet sent by God to warn the population of Ninevah about their ways. buried on one of the two mounds of old Ninevah, the Naby younes mound, the other mound being Kouynjuk, mound, extensively dug by archeologist Austen Layrd and Rassam in the 1840’s. A very important pilgrimmage site for Jews, Christians, and Muslims