The Arthur M. Sackler Gallery, along with the Freer Gallery of Art, is an Asian art museum that helps form the national museums of Asian art of the Smithsonian Institution. Its collection includes 9,917 Asian art objects. The gallery is located on the National Mall in Washington, D.C., directly behind the Smithsonian Castle. Its main gallery spaces are underground, and the building connects to both the Freer Gallery of Art and the National Museum of African Art. The Sackler's main entrance is situated off of the gardens of the Smithsonian Castle along Independence Avenue.