Gaudiya Vaishnavism – Gaudiya Vaishnavism (also known as Chaitanya Vaishnavism[1] and Hare Krishna) is a Vaishnava religious movement founded by Chaitanya Mahaprabhu (1486–1534) in India. “Gaudiya” refers to the Gauḍa region (present day Bengal/Bangladesh) with Vaishnavism meaning “the worship of Vishnu or Krishna”. Its philosophical basis is primarily that of the Bhagavad Gita and Bhagavata Purana.

Gaudiya Vaishnavism – Wikipedia

https://en.wikipedia.org/wiki/Gaudiya_Vaishnavism

Gaudiya Vaishnavism (also known as Chaitanya Vaishnavism[1] and Hare Krishna) is a Vaishnava religious movement founded by Chaitanya Mahaprabhu (1486–1534) in India. “Gaudiya” refers to the Gauḍa region (present day Bengal/Bangladesh) with Vaishnavism meaning “the worship of Vishnu or Krishna”. Its philosophical basis is primarily that of the Bhagavad Gita and Bhagavata Purana.