is the capital and largest city of the Indian state of Rajasthan in Northern India. The city is unusual among pre-modern Indian cities in the regularity of its streets, and the division of the city into six sectors by broad streets 34 m (111 ft) wide. The Palace quarter encloses the Hawa Mahal palace complex, formal gardens, and a small lake. Nahargarh Fort, which was the residence of the King Sawai Jai Singh II, crowns the hill in the northwest corner of the old city. The observatory, Jantar Mantar, is one of the World Heritage Sites. Included on the Golden Triangle tourist circuit, along with Delhi and Agra, Jaipur is an extremely popular tourist destination in Rajasthan and India..