Kaushambi, in Uttar Pradesh, was visited by Buddha in the 6th and 9th years after his enlightenment. He delivered several sermons here, elevating it to a center of learning for Buddhists. Today one can see the ruins of an Ashokan Pillar, an old fort and the Ghositaram Monastery.

During Buddha's time Kaushambi was one of the six most important and prosperous towns of India. It was a nerve center of ancient Indian