The Municipality of Greenstone was created on January 1, 2001 by the amalgamation of the former municipalities of the Town of Geraldton, Town of Longlac, the Township of Nakina and the Township of Beardmore, and an extensive area of unincorporated territory including numerous settlement areas such as; Caramat, Jellicoe and MacDiarmid. First Nation communities within Greenstone municipal boundaries are Long Lake 58, Lake Nipigon Ojibway, Rocky Bay and Sand Point, while Aroland and Ginoogaming First Nations are situated just outside the Municipality, adjacent to the wards of Nakina and Longlac, respectively. Greenstone is located in the District of Thunder Bay and has an area of 3,172 sq. km. (1224 sq. mi.) making it one of the largest municipalities in Canada.