Anacostia is a historic neighborhood in Southeast Washington, D.C. in the United States. Its downtown is located at the intersection of Marion Barry Avenue SE and Martin Luther King Jr Avenue SE. Originally known as "Uniontown" the neighborhood contains commercial and government buildings, mid-rise mixed development, city-sanctioned art murals and galleries, a performing arts center, a playhouse theater, the local landmark, "The Big Chair," Frederick Douglass's Home and is adjacent to the Fort Stanton Park neighborhood which hosts the Smithsonian affiliated Anacostia Community Museum. Anacostia is located directly east of and along the Anacostia River, after which the neighborhood is named. The community's population is more than 90 percent African American.