The National Basketball Association (NBA) is a men's professional basketball league consisting of 30 teams in North America (twenty-nine in the United States and one in Canada). The NBA was founded on June 6, 1946 in New York City, as the Basketball Association of America (BAA). The league adopted its current name at the start of the when it merged with the National Basketball League (NBL). The NBA is an active member of USA Basketball, which is recognized by the International Basketball Federation (FIBA) as the National Governing Body (NGB) for basketball in the country. The league is considered to be one of the four major professional sports leagues of North America.