I've heard Ethiopia.
I've also heard of it; the Ethiopian Orthodox Church claims to possess the Ark of the Covenant or "tabot" in Axum. The object is supposedly kept under guard in a treasury near the Church of Our Lady Mary of Zion, and used occasionally in ritual processions.http://www.printthis.clickability.com/pt/cpt?action=cpt&title=Smithsonian+Magazine+|+People+%26+Places+|+Keepers+of+the+Lost+Ark%3F&expire=&urlID=25104449&fb=Y&url=http%3A%2F%2Fwww.smithsonianmag.com%2Fpeople-places%2Fark-covenant-200712.html&partnerID=253162
