Massachusetts shares a border with Vermont.
Massachusetts [ mæsəˈtʃuːsᵻts ] or [ ˌmæsəˈtʃuːzᵻts ] ; officially the Commonwealth of Massachusetts , is the most populous state in the New England region of the northeastern United States . It is bordered by the Atlantic Ocean to the east , the states of Connecticut and Rhode Island to the south , New Hampshire and Vermont to the north , and New York to the west .