National Basketball Association
"NBA" redirects here. For other subjects called NBA, see NBA (disambiguation). National Basketball Association (NBA) Current season, competition or edition: 2018–19 NBA season Sport Basketball Founded June 6, 1946 ; 72 years ago ( 1946-06-06 ) (as BAA), New York City, New York, United States [1] Inaugural season 1946–47 Commissioner Adam Silver No. of teams 30 Countries United States (29 teams) Canada (1 team) Headquarters New York City Continent FIBA Americas (Americas) Most recent champion(s) Golden State Warriors (6th title) Most titles Boston Celtics (17 titles) TV partner(s) United States : ABC/ESPN NBA TV TNT Canada : NBA TV Canada TSN/TSN2 Sportsnet/Sportsnet One Official website NBA.com The National Basketball Association ( NBA ) is a men's professional basketball league in North America; composed of 30 teams (29 in the United States and 1 in Canada). It is wi