The Philadelphia 76ers (also commonly known as the Sixers) are an American professional basketball team based in Philadelphia, Pennsylvania. The 76ers compete in the National Basketball Association (NBA) as a member team of the league's Eastern Conference Atlantic Division. Founded in 1946 and originally known as the Syracuse Nationals, they are one of the oldest franchises in the NBA, and one of only eight (out of 23) to survive the league's first decade.