Rashtrapati Bhavan, "Presidential Residence") is the official home of the President of India. It may refer to only the mansion (the 340-room main building) that has the President's official residence, halls, guest rooms and offices; it may also refer to the entire 130 hectare (320 acre) President Estate that additionally includes huge presidential gardens (Mughal Gardens), large open spaces, residences of bodyguards and staff, stables, other offices and utilities within its perimeter walls. The main palace building was formerly known as Viceroy's House.