The Rashtrapati Bhavan is the official residence of the President of India, located at Raisina hill in New Delhi. Until 1950 it was known as "Viceroy's House" and served as the residence of the Viceroy and Governor-General of India. At present, it is the largest residence of any Chief of the State in the world. The Rashtrapati Bhavan is a large and vast mansion with four floors and has 360 rooms. It has an area of 200,000 square feet. The plan of the palace is designed around a massive square although there are many courtyards and open inner areas within. There are separate wings for the Viceroy, and another wing for guests.