The Old Dominion Athletic Conference (ODAC) is an NCAA Division III athletic conference. Of its 14 member schools, all but one are located in Virginia; the other full member is in North Carolina. The conference also has four associate members in Maryland, North Carolina, Virginia, and Washington, D.C. Along with the American Southwest Conference (ASC) and Great Northeast Athletic Conference (GNAC), it is the largest all-sports conference in Division III.