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The National Basketball Association (NBA) is a professional basketball league in North America with 30 teams (29 in the United States and 1 in Canada). It is one of the major professional sports leagues in the United States and Canada and is considered the premier professional basketball league in the world.
The NBA is an active member of USA Basketball (USAB), which is recognized by the FIBA (International Basketball Federation) as the national governing body for basketball in the United States. The league's several international and individual team offices are directed out of its head offices in Midtown Manhattan. In contrast, its NBA Entertainment and NBA TV studios are directed out of Secaucus, New Jersey offices. In North America, the NBA is the third wealthiest professional sports league after the National Football League (NFL) and Major League Baseball (MLB) by revenue and among the top four in the world. Wikipedia