Svayam Bhagavān (Sanskrit: svayam bhagavān, lit."The Lord Himself") is a Sanskrit theological term for the concept of absolute representation of God as Bhagavan. He is the one eternal Supreme Being called Brahma, Vishnu, Shiva and Trimurti.
According to the Bhagavad Gita, Lord Krishna is termed Svayam Bhagavan which means God Himself. As stated in Bhagavata Purana, Hindu Vedic Supreme God Para Brahman appeared before Vasudeva and Devaki in his divine original four-handed form before taking birth as Krishna. Vasudev and Devaki after praising God, requested him to hide his divine form, which God agreed to do, transforming himself into a small baby Krishna. According to this account, Krishna never took birth from the womb of His mother like a common baby.
Svayam Bhagavan It is most often used in Gaudiya Vaishnava Krishna-centered theology referencing Krishna and that title is used there exclusively to designate Him, there being conflicting semantics or other usages in the Bhagavata Purana. Traditions of Gaudiya Vaishnavas, the Nimbarka Sampradaya and followers of Vallabha consider Him to be the source of all Avatars, and the source of Vishnu and Narayana. As such, He is therefore regarded as Svayam Bhagavan.