Paundraka Vasudeva was the king of Pundra Kingdom

Pundra Kingdom

Pundra was an eastern kingdom located in West Bengal, Bangladesh and Purnia . A Pundra king challenged Vasudeva Krishna by imitating his attributes. He called himself Paundraka Vasudeva. He was later killed by Vasudeva Krishna in a battle...

. He was an ally of Jarasandha

Jarasandha

Jarasandha was a great and legendary king of Magadha. He was the son of a vedic king named Brihadratha. He was also a great devotee of Lord Shiva. But he is generally held in negative light owing to his enmity with the Yadav clan in the Mahābhārata....

, the king of Magadha

Magadha

Magadha formed one of the sixteen Mahājanapadas or kingdoms in ancient India. The core of the kingdom was the area of Bihar south of the Ganga; its first capital was Rajagriha then Pataliputra...

. He had enmity with Vasudeva Krishna

Krishna

Krishna is a central figure of Hinduism and is traditionally attributed the authorship of the Bhagavad Gita. He is the supreme Being and considered in some monotheistic traditions as an Avatar of Vishnu...

. He imitated the attire of Krishna. Later he was killed by Krishna in battle. That king of Vanga

Vanga Kingdom

Vanga orBengal was a kingdom located in the eastern part of the Indian Subcontinent, comprising part of West Bengal, India and present-day modern Bangladesh. It was a seafaring nation of Ancient India.- References in Mahabharata :...

, Pundra

Pundra Kingdom

Pundra was an eastern kingdom located in West Bengal, Bangladesh and Purnia . A Pundra king challenged Vasudeva Krishna by imitating his attributes. He called himself Paundraka Vasudeva. He was later killed by Vasudeva Krishna in a battle...

 and the Kiratas, endowed with great strength, and who is known on earth by the names of Paundraka Vasudeva hath also espoused the side of Jarasandha, the greatest King of eastern India at that time.