The Washington Nationals are a professional baseball team based in Washington, D.C. The Nationals are a member of the Eastern Division of the National League of Major League Baseball (MLB). The team moved into the newly-built Nationals Park in 2008, after playing their first three seasons in RFK Stadium. The new park is located in Southeast D.C. near the Anacostia River and with views of the Capitals. Wholesale Washington Nationals Hats