This is the Atlantic coast of the island of Cape Breton and the eastern part of Quebec to North Carolina, the interior of the island of Labrador, the northern basin of the St. Lawrence River, the territory of the three Great Lakes, upper Mississippi River basin and Missouri, the plains of Saskatchewan. Languages Iroquois families were originally distributed in three isolated regions – Virginia and North Carolina – in the east, south and in the Allegan area, covering the area of the St. Lawrence River, Lake Ontario and Lake Erie. Muskogskaya family occupies the territory of the Gulf of Mexico from the mouth of the Mississippi River to Georgia and Florida in the east to Kentucky and Tennessee to the north. Siuanskaya language family is divided into 4 groups of languages, that cover specific territories. Eastern Group – used in North and South Carolina and Virginia, the southern group – the southern regions of Mississippi, the primary group – the valley of the Missouri River and its peculiar branch is the fourth group, whose language is common in Wisconsin and Green Bay.
Languages kaddoanskoy language family common in the southern Plains – from Nebraska to Texas and Louisiana, and in one of enclaves along the Missouri River in North and South Dakota. Shoshonean language family is a large part of the Great Basin, its neighboring region, located in southern California and the southwestern part of the Plains – in Texas, three in Pueblo Plateau (Northern Arizona). As part of the Athabaskan language family – three language groups.