Kuru Kingdom
This was, probably the kingdom ruled by Kusa, with Kusavati as its capital. (see MBh 2.14, Mbh 2.21, referred below). They were described as fleeing to the southern country of Kuntis due to Magadha king Jarasandha. The route was taken by Bhima, Arjuna and Krishna from Kuru Kingdom to Magadha Kingdom was through this Eastern Kosala.