The Great Stupa of Sanchi is an ancient Buddhist monument located in the state of Madhya Pradesh, India. Built in the 3rd century BCE, the stupa is one of the oldest Buddhist monuments in the world and is considered to be a masterpiece of Buddhist architecture. The
From Wikipedia
Sanchi Stupa is a Buddhist complex, famous for its Great Stupa, on a hilltop at Sanchi Town in Raisen District of the State of Madhya Pradesh, India. It is located, about 23 kilometers from Raisen town, the district headquarters and 46 kilometres (29 mi) northeast of Bhopal, capital of Madhya Pradesh.