The Khvalisy were a tribe mentioned in old Russian chronicles. August Bielkowski conjectured that Khvalisy referred to the same people called "Khalyzians

Khalyzians

The Chalyzians or Khalyzians or Khalis or Khwalis The Chalyzians or Khalyzians or Khalis or Khwalis The Chalyzians or Khalyzians or Khalis or Khwalis (Arabic: Khwarezmian, Byzantine Greek: Χαλίσιοι, Khalisioi, Magyar: Kaliz were a people mentioned by the 12th-century Byzantine historian John...

" by the Byzantine

Byzantine Empire

The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

 chroniclers.

Other scholars believe that "Khvalisy" refers to Khazaran

Khazaran

Khazaran was a city in the Khazar kingdom, located on the eastern bank of the lower Volga River. It was connected to Atil by a pontoon bridge.Khazaran was later inhabited primarily by Muslims and featured numerous mosques, minarets, and madrasas...

, the twin city of Atil

Atil

Atil , literally meaning "Big River", was the capital of Khazaria from the middle of the 8th century until the end of the 10th century. The word is also a Turkic name for the Volga River.-History:...

, (the capital of the Khazar Khaganate) and that the term derives from the Khwarazmians who formed a part of the Khazar army (see Arsiyah

Arsiyah

Arsiyah, sometimes referred to as al-Arsiyya or As-yah was the name used for a group of Muslim mercenaries in the service of the Khazar Khaganate. Whether the Arsiyah were a single tribe or composed of Muslims from a number of different tribes is unclear...

).

Sources

• Karpov, A. J.: "Genealogija chvalisov i bolgar v letopisnoj stat'e 1096 g." Archiv russkoj istorii. Vypusk 4, 1994. - 7-26
• Omeljan Pritsak
  Omeljan Pritsak
  Omeljan Pritsak was the first Mykhailo Hrushevsky Professor of Ukrainian History at Harvard University and the founder and first director of the Harvard Ukrainian Research Institute.-Career:Pritsak began his academic career at the University of Lvov in interwar Poland where he...
  
  , "An Arabic Text on the Trade Route of the Corporation of Ar-Rus in the Second Half of the Ninth Century," Folia Orientalia 12 (1970): 257).