American University (AU) is a private United Methodist-affiliated research university in Washington, D.C., USA, the main campus of which comes to a corner at the intersection of Nebraska and Massachusetts Avenues at Ward Circle, straddling the Spring Valley, Wesley Heights, and American University Park neighborhoods of Northwest. Roughly 6,000 undergraduate students and 3,912 graduate students are currently enrolled. Though there is sometimes confusion, American University is separate from most "American Universities" around the world.