The Northeast Kingdom is the northeast corner of the U.S. state of Vermont, approximately comprising Essex, Orleans, and Caledonia counties and with a population of 64,764 at the 2010 census. The term "Northeast Kingdom" is attributed to George D. Aiken, former Governor of Vermont and a U.S. senator, who first used the term in a 1949 speech.

Vermont is a landlocked state in the New England region of the Northeastern United States. It borders Massachusetts to the south, New Hampshire to the east, New York to the west, and the Canadian province of Quebec to the north. As of the 2020 U.S. census, the state had a population of 643,503, ranking it the second least populated U.S. state ahead of Wyoming. It is the nation's sixth smallest state in area. The state's capital of Montpelier is the least populous U.S. state capital. No other U.S. state has a most populous city with fewer residents than Burlington. Vermont is also well known for being the largest producer of true maple syrup in the United States for over 200 years.