Massachusetts, officially the Commonwealth of Massachusetts, is a state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode Island to its south, New Hampshire and Vermont to its north, and New York to its west. Massachusetts is the seventh-smallest state by land area. With an estimated population of over 7.1 million, it is the most populous state in New England, the 16th-most-populous in the United States, and the third-most densely populated U.S. state after New Jersey and Rhode Island.