Massachusetts (MA), a state, is in the Northeastern USA.It is bordered by Rhode Island, Connecticut, New York, Vermont, New Hampshire and the Atlantic Ocean. Print. About Massachusetts State. The Commonwealth of Massachusetts is located in the New England region of the northeastern part of the United States.t was the site of the infamous Salem witch trials of the 17th century. Massachusetts is also well known for the Boston Tea Party and the pivotal role it played in the American Revolution. It became the sixth state of the United States when it joined the Union on 6 February, 1788.