Nairi

Nairi (Armenian: Նայիրի in TAO or Նաիրի in RAO) was the Assyrian name (KUR.KUR "Na-i-ri", also "Na-'i-ru") for a confederation of tribes in the Armenian Highlands, roughly corresponding to the modern Van and Hakkâri provinces of modern Turkey. The word is also used to describe the Armenian tribes who lived there. Nairi has sometimes been equated with Nihriya, known from Mesopotamian, Hittite, and Urartian sources. However, its co-occurrence with Nihriya within a single text may argue against this.
Prior to the Bronze Age collapse, the Nairi tribes were considered a force strong enough to contend with both Assyria and Hatti. The Battle of Nihriya, the culminating point of the hostilities between Hittites and Assyrians for control over the remnants of the former kingdom of Indo-European Mitanni, took place there, c. 1230 BC.
The first kings of Urartu referred to their kingdom as "Nairi" instead of the native self-appellation "Bianili". However, the exact relationship between Urartu and Nairi is unclear. Some scholars have suggested that Urartu and Nairi were separate polities. The Assyrians seem have continued to refer to Nairi as a distinct entity for decades after the establishment of Urartu, until Nairi was totally absorbed by Assyria and Urartu in the 8th century BCE.
Geography and history.
According to Trevor Bryce the Nairi lands were inhabited by what he calls "fierce tribal groups" divided into a number of principalities, and are first mentioned by Tukulti-Ninurta I (1243–1207 BC) when he defeated and exacted tribute from forty Nairi kings. According to Bryce, parts of Uruatri, a state of Nairi, corresponded to the Azzi of Hittite texts from the same period. 
An early, documented reference to Nairi is a tablet dated to the time of Adad-nirari I (13th century BC), which mentions the purchase of 128 horses from the Nairi region.
The names of twenty-three Nairi lands were recorded by Tiglath-Pileser I (1114–1076 BC). Their southernmost point was Tumme, known to have been south-west of Lake Urmia, and their northernmost point was Daiaeni. These lands are known from the list of defeated kings: "the king of Tumme, the king of Tunube, the king of Tuali, the king of Kindari, the king of Uzula, the king of Unzamuni the king of Andiabe, the king of Pilakinni, the king of Aturgini, the king of Kulibarzini, the king of Shinibirni, the king of Himua, the king of Paiteri, the king of Uiram, the king of Shururia, the king of Albaia, the king of Ugina, the king of Nazabia, the king of Abarsiuni, and the king of Daiaeni." It is believed that Nairi extended from the Tur-Abdin mountains in the south to the mountainous area southwest of Lake Van in the north.
In 882 BCE, Assurnasirbal II invaded Nairi, which at the time comprised four polities: Bit-Zamani, Shubru, Nirdun, and Urumu/Nirbu. These regions all had their own kings.
Shalmaneser III campaigned in the region, erecting a statue at the source of the Tigris. Bryce states that some of his "royal inscriptions indicate that the term now also denoted a specific region to the southwest of Lake Urmia, centred on the land of Hubushkia." The exact location of Hubushkia is uncertain. Shalmaneser pursued Kakia, king of Nairi and Habushkia, into the mountains, subsequently slaughtering his army and forcing Kakia to surrender.
Another Nairi king, Yanzu, was mentioned as paying tribute to Sargon II.
Populations.
Albrecht Goetze suggested that what he refers to as the "Hurriland" dissolved into a number of small states that the Assyrians called Nairi. Others take this hypothesis skeptically; e.g., Benedict (Benedict 1960) points out that there is no evidence of the presence of Hurrites in the vicinity of Lake Van.
Some of the Nairi tribes, such as the Daiaeni, may have been speakers of Proto-Armenian.