It is surrounded by 17 villages and the Bharatpur city. Jantar Mantar, Jaipur Jaipur , Rajasthan , India 1727 and 1734 1338; 2010; (iii)(iv) The Jantar Mantar in Jaipur is a collection of architectural astronomical instruments, built by Maharaja (King) Jai Singh II at his then new capital of Jaipur between 1727