Keangnam Hanoi Landmark Tower is a supertall skyscraper in Pham Hung Boulevard, Từ Liêm District, Hanoi, Vietnam. The complex consists of one 72-story office tower with the height of 350 m and two 48-storey residence towers. Landmark 72 is located on an area of 46,054 m2 and the total floor area is 609,673 m2, ranked 5th as the largest floor area of a single building in the world.