The Southwest Waterfront is a mostly residential neighborhood in Southwest Washington, D.C. The Southwest quadrant is the smallest of Washington's four quadrants, and the Southwest Waterfront is one of only two residential neighborhoods in the quadrant; the other is Bellevue, which, being east of the Anacostia River, is frequently, if mistakenly, regarded as being in Southeast. For that reason, many residents of Southwest Waterfront will refer to themselves as living in "Southwest."