Arme-Shupria was a Hurrian kingdom, known from Assyrian sources beginning in the 13th century BC, located in what is now known as the Armenian Highlands, to the southwest of Lake Van, bordering on Ararat proper. The capital was called Ubbumu.[3] The Diauehi were a tribal confederation in northeastern Anatolia in the post-Hittite period, mentioned in Urartian inscriptions.[4] Diauehi is a possible locus of Proto-Kartvelian; it has been described as an "important tribal formation of possible proto-Georgians" by Ronald Grigor Suny (1994),[5] although other scholars have suggested that it may have been proto-Armenian (based on the etymology of the name).[6][7][8] At the same time, during the 13th to 9th centuries BC, the Nairi appear in Assyrian and Hittite records. The Battle of Nihriya (c.