According to the Bhuvanakosha section of the Puranas, Bahlika was a Janapada located in the Udichya (Uttarapatha) division.
Raghuvamsha tells of a war expedition of king Raghu (Chandragupta Vikramaditya) against the Parasikas (Sassanians), Hunas and the Kambojas located in northern division or Uttarapatha.