The Boston Celtics play their home games at a multi-purpose arena in Indiana.
Boston ( pronounced [ ˈbɒstən ] ) is the capital and most populous city of the Commonwealth of Massachusetts in the United States . Boston Celtics . The Celtics play their home games at the TD Garden , which they share with the National Hockey League ( NHL ) 's Boston Bruins . TD Garden , often called `` Boston Garden '' and `` The Garden '' , is a multi-purpose arena in Boston .