 Nevertheless, all Grand Mart supermarkets retain a strong Korean flavor, which include in-store Korean bakeries and video rental shops which rent out DVDs of television shows from South Korea.Grand Mart has stores in Virginia, Maryland, Washington, D.C., North Carolina, and Georgia, most of which are targeted primarily toward the Korean American community, which is concentrated heavily in Fairfax and Montgomery County.The newest store in the Washington area opened in Frederick in Frederick County in 2013.