A black mecca, in the United States, is a city to which African Americans, particularly singles, professionals, and middle-class families, are drawn to live, due to some or all of the following factors: * superior economic opportunities for black people, often as assessed by the presence of a large black upper-middle and upper class * black businesses and political power in a city * leading black educational institutions in a city * a city's leading role in black history, arts, music, food, and other cultures * harmonious black-white race relations in a city