Sport NBA: Overview of the National Basketball Association, 30 Teams, and North American Professional Basketball League Structure by Javier Moreno - Sports Editor April 24, 2026 by Javier Moreno - Sports Editor April 24, 2026 The National Basketball Association (NBA) is a professional basketball league in North America composed of 30 teams, with 29 located in the United States and one in Canada. Founded on … 0 FacebookTwitterPinterestEmail