The Leeum, Samsung Museum of Art, is a contemporary art museum located in Seoul, South Korea. It was opened in 2004 and is divided into three buildings, each designed by a different architect: Mario Botta, Jean Nouvel, and Rem Koolhaas.

The museum's collection consists of both traditional Korean art and contemporary works from around the world. The traditional art collection includes ceramics, paintings, and sculptures from the ancient Korean dynasties, as well as Buddhist art and artifacts. The contemporary art collection includes works by both Korean and international artists, with a focus on post-1960s art.

The Mario Botta building houses the museum's collection of traditional Korean art, while the Jean Nouvel building displays contemporary works. The Rem Koolhaas building serves as a research center and library, as well as a space for temporary exhibitions.

The museum also offers educational programs and activities for visitors, including workshops and lectures. It is considered one of the leading art museums in Asia and attracts visitors from around the world.