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Location, size, and extent

Situated in the extreme northeastern corner of the US, Maine is the nation's most easterly state, the largest in New England, and 39th in size among the 50 states.

The total area of Maine is 33,265 sq mi (86,156 sq km), including 30,995 sq mi (80,277 sq km) of land and 2,270 sq mi (5,879 sq km) of inland water. Maine extends 207 mi (333 km) E-W; the maximum N-S extension is 322 mi (518 km).

Maine is bordered on the N by the Canadian provinces of Quebec (with the line passing through the St. Francis River) and New Brunswick (with the boundary formed by the St. John River); on the E by New Brunswick (with the lower eastern boundary formed by the Chiputneticook Lakes and the St. Croix River); on the SE and S by the Atlantic Ocean; and on the W by New Hampshire (with the line passing through the Piscataqua and Salmon Falls rivers in the SW) and Quebec.

Hundreds of islands dot Maine's coast. The largest is Mt. Desert Island; others include Deer Isle, Vinalhaven, and Isle au Haut. The total boundary length of Maine is 883 mi (1,421 km).

The state's geographic center is in Piscataquis County, 18 mi (29 km) N of Dover-Foxcroft. The easternmost point of the US is West Quoddy Head, at 66°57'w.