The NBA is divided into two conferences called the Western Conference and Eastern Conference. Each conference consists of 15 teams and 3 divisions with five teams per division. The NBA divided the teams into 2 conferences in 1971, giving the league the basic structure it still has to this day.
Here is a complete list of NBA teams sorted alphabetically:
In postseason play, these teams play within their conferences and determine an Eastern and Western conference champion. The Eastern and Western Conference Champions then play in a best of seven series called the NBA Finals to determine the NBA Champion. Since the creation of conferences, the West edges out the East with 26 titles compared to 22.
There are 30 teams that play in the NBA, evenly divided between the Western Conference and the Eastern Conference. They are then broken down into three divisions within each conference: the Northwest, Southwest, and Pacific Divisions in the Western Conference and the Atlantic, Central, and Southeast Divisions in the Eastern Conference.
The oldest franchise in the NBA is the Sacramento Kings, who were established in 1923. After the Kings, the Pistons are the second oldest franchise (1941) and the Boston Celtics are third (1946).