Jaipur is the capital and largest city (in term of size) of the Indian state of Rajasthan in Northern India. It was founded on 18 November 1726 by Maharaja Jai Singh II, the ruler of Amer after whom the city is named.As of 2011, the city has a population of 3.1 million, making it the tenth most populous city in the country. Jaipur is also known as the Pink City of India. Located 260 km (162 miles) from the Indian capital New Delhi, Jaipur forms a part of the west Golden Triangle tourist circuit along with Agra (240 km, 149 mi). Jaipur is a popular tourist destination in India and serves as a gateway to other tourist destinations in Rajasthan such as Jodhpur (348 km, 216 mi), Jaisalmer (571 km, 355 mi) and Udaipur (421 km, 262 mi).