The Pandavas, when they returned from forest, had demanded: "give us even Kusasthala, Vrikasthala, Makandi, Varanavata and, for the fifth, any other that thou likest (see -Udyoga Parva/Mahabharata Book V Chapter 31: Vrikasthala was one of them: (Bickram Virk)
कुश स्थलं वृकस्थलम आसन्थी वारणावतम अवसानं भवेथ अत्र किं चिथ एव तु पञ्चमम (V.31.19)
It is one of the most important clans. It is mentioned by Pāṇini and V.S. Agrawal has identified Virks with the Jats. The same identification has been mentioned by Buddha Prakash . Mahabhasya mentions Vrika and its derivative Varkenya, the Varkan of the Persians, and Hyrcan of the Greeks. The Caspian sea was once called the Sea of Vrkans (Hyrcanian). The identification of Hyrcan with Varkan has also been mentioned by Rawlinson in his "History of Herodotus", he mentions that, even in the thirteenth century, their country in Central Asia was mentioned as Urkanich in Yakut. According to Herodotus, they fought in the battle of Thermopylae under their leader named Megapanus which, afterwards, was a Satrap of Babylonia . They are one of the earliest clans to enter India and, up to the sixth century A.D., at least they were ruling in Malwa under their king Vishnuvardhana, Vrik. The Vriks are remembered in the Brahma, Vaman and Markandeya Puranas. Their antiquity goes very much deep in the past.
A country called Uruk/Wark is mentioned in Sumeria, along with a country called Gutium. In fact, Trigan, the...