The Boston Celtics ( SEL-tiks) are an American professional basketball team based in Boston. The Celtics compete in the National Basketball Association (NBA) as a member of the Atlantic Division of the Eastern Conference. Founded in 1946 as one of the league's original eight teams, the Celtics play their home games at TD Garden, a shared arena with the NHL's Boston Bruins. The Celtics are commonly regarded as the most successful team in NBA history.
https://en.wikipedia.org/wiki/Boston_Celtics