Alburgh is a town in Grand Isle County, Vermont, United States, founded in 1781 by Ira Allen. The population was 2,106 at the 2020 United States Census. Alburgh is on the Alburgh Tongue, a peninsula extending from Canada into Lake Champlain, and lies on the only road-based route across Lake Champlain to New York state north of Addison, Vermont.

Grand Isle County is a county in the U.S. state of Vermont. As of the 2020 census, the population was 7,293, making it Vermont's second-least populous county. Its shire town is North Hero. The county was created in 1802 and organized in 1805.