It was an ancient place of residence. While in Digvijaya (A war to conquer all the places in all directions), Nakula conquered this land.
One of the Yavana (the people belonging from other religions than Hinduism) reigned places in north-western India. At present, it is assumed to be in Afganistan. [Astronomical Dating of Events & Select Vignettes from Indian History; ED. by Kosla Vepa; USA; Indic Studies Foundation; 2008; p.241].