sentences:  University is spread over an area of 7219 Acres at Hisar and 1426 Acres at outstations.Area at Hisar under farms is 6483 Acres and under buildings and roads is 736 Acres.HAU has a central campus core formed by Fletcher Bhawan, Gandhi Bhawan (built 1975-78), Indira Gandhi Auditorium (built 1982-85) and Nehru Library, around which the other buildings and facilities are built.