) is a New England state in the northeastern region of the United States. Lake Champlain forms half of Vermont's western border with the state of New York and the Green Mountains run north–south the length of the state. The capital is Montpelier, the least populous state capital in the U. The most populous municipality, Burlington, is the least populous city in the U. France ceded the territory to Great Britain after being defeated in 1763 in the Seven Years' War.
Ultimately, those settlers prevailed in creating an independent state, the Vermont Republic.Founded in 1777 during the Revolutionary War, the republic lasted for fourteen years. as the 14th state—the first to be admitted to the union after the original 13 colonies.Aside from the Thirteen Colonies, Vermont is one of only four U. states that were previously sovereign states (along with California, Hawaii, and Texas). While still an independent republic, Vermont was the first of the future United States to abolish adult slavery.), making it the 43rd-largest in land area and the 47th in water area.In total area, it is larger than El Salvador and smaller than Haiti.The west bank of the Connecticut River marks the eastern (New Hampshire) border of the state (the river is part of New Hampshire).
Lake Champlain, the major lake in Vermont, is the sixth-largest body of fresh water in the United States and separates Vermont from New York in the northwest portion of the state.
From north to south, Vermont is 159 miles (256 km) long.
Its greatest width, from east to west, is 89 miles (143 km) at the Canada–US border; the narrowest width is 37 miles (60 km) at the Massachusetts line. The state's geographic center is approximately three miles (5 km) east of Roxbury, in Washington County.
There are fifteen US federal border crossings between Vermont and Canada.
The origin of the name "Vermont" is uncertain, but likely comes from the French les Verts Monts, meaning "the Green Mountains".
say that the mountains were called green because they were more forested than the higher White Mountains of New Hampshire and Adirondacks of New York; others say that the predominance of mica-quartz-chlorite schist, a green-hued metamorphosed shale, is the reason.