The Chaukhandi Stupa is a Buddhist stupa located at Sarnath in Uttar Pradesh. It was built in the 5th century by the Gupta Dynasty, to commemorate the visit of Lord Buddha and also his meeting with his first disciples.It is believed that the Chaukhandi Stupa was originally a temple in the 4th century AD. The stupa stands on a rectangular platform with an octagonal tower, which was a later addition constructed to mark the visit of Humayun, the great Mughal Emperor. Today, the Chaukhandi Stupa is maintained by the Archaeological Survey of India.