connected Capitol Hill neighborhood. Cultural events/activities include the annual Martin Luther King Jr. Birthday parade, the free weekly summer jazz concerts in Fort Dupont Park, the Fort Dupont ice-rink, the Anacostia Museum of the Smithsonian Institution, the Anacostia Arts Center, and THEARC tennis, arts and learning center for youth on Mississippi Avenue. The population of the southeast quadrant is roughly 226,084. See also SW—Southwest, Washington, D.C. NE—Northeast, Washington, D.C. NW—Northwest, Washington, D.C. References .