What U.S. region has the smallest states by land area?

The Northeastern region of the United States has the smallest states by land area. This region includes the states of Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont. The largest state in this region is New York, with a land area of 47,214 square miles, while the smallest state is Rhode Island, with a land area of 1,045 square miles.