"At the heart of the Vietnamese Buddhism, a precious treasure of Hanoi. PM @narendramodi visits Quan Su Pagoda," External Affairs Ministry spokesperson Vikas Swarup tweeted.
The historic monument is also known as the Ambassadors' Pagoda as there was a guest house here in the 17th century for the ambassadors of Buddhist countries.
Earlier on Saturday, Modi and Vietnamese Prime Minister Nguyen Xuan Phuc held delegation-level talks following which the two sides signed 12 agreements.
Read More: India and Vietnam sign 12 agreements
Prime Minister Phuc also hosted Modi for a luncheon banquet.
PM:I am humbled by blessings showered on me. Wish to thank Hon'ble Deputy PM who joined me on this pilgrimage today pic.twitter.com/4bltdmctJw— Vikas Swarup (@MEAIndia) September 3, 2016
PM speaks at the Pagoda. Says he is fortunate to make a trip to the Pagoda after 1st Indian President, Dr. Rajendra Prasad came here in 1959— Vikas Swarup (@MEAIndia) September 3, 2016
The pagoda is said to have served emissaries that were sent from Champa and Laos to Vietnam in the past pic.twitter.com/7L8Jh8xqcC— Vikas Swarup (@MEAIndia) September 3, 2016