Boston is in the United States.
Boston ( pronounced [ ˈbɒstən ] ) is the capital and most populous city of the Commonwealth of Massachusetts in the United States . One of the oldest cities in the United States , Boston was founded on the Shawmut Peninsula in 1630 by Puritan settlers from England . It was the scene of several key events of the American Revolution , such as the Boston Massacre , the Boston Tea Party , the Battle of Bunker Hill , and the Siege of Boston .