Udaipur is spread across an area of 37 km2, and stands as sixth largest city in Rajasthan by population, supporting a population of 451,735 (Metropolis) according to 2011 Census. Popular languages spoken includeHindi,EnglishandRajasthani(Mewari). Udaipur is a very popular tourist destination, and known for its history, culture, scenic locations and theRajput-era palaces. It is popularly knows as City of Lakes because of its sophisticated lake system.Fiveof the major lakes, namelyFateh Sagar Lake,Pichola Lake,Swaroop Sagar Lake, Rangsagar andDoodh Talai Lakehave been included under the restoration project of the National Lake Conservation Plan (NLCP) of the Government of India.