North America metropolitan area by population in North America: Greater Mexico City. Canada also breaks into the top ten largest metropolitan areas with the Toronto metropolitan area having six million people. The proximity of cities to each other on the Canada–United States border and Mexico–United States border has led to the rise of international metropolitan areas. These urban agglomerations are observed at their largest and most productive in Detroit–Windsor and San Diego–Tijuana and experience large commercial, economic, and cultural activity. The metropolitan areas are responsible for millions of dollars of trade dependent on international freight. In Detroit-Windsor the Border Transportation Partnership study
Islamic Society of North America family-oriented event." Islamic Society of North America The Islamic Society of North America (ISNA), based in Plainfield, Indiana, USA, is a Muslim umbrella group. It has been described in the media as the largest Muslim organization in North America. ISNA holds an annual national convention which is generally regarded as the largest annual gathering of American Muslims. ISNA traces its origins to a meeting of several Muslim student organizations in 1963, at which the Muslim Student Association of the U.S. & Canada ("The MSA") was formed in January 1963. ISNA regards the MSA's 1963 convention as its first one, held