High Quality Content by WIKIPEDIA articles! The Northeastern United States (sometimes called simply the Northeast) is a region of the United States. According to the definition used by the United States Census Bureau, the Northeast region consists of nine states: the New England states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island and Connecticut; and the Mid-Atlantic States of New York, New Jersey and Pennsylvania. Major cities in this area include New York City, Newark, Philadelphia, Boston, Pittsburgh, Jersey City and Buffalo.