The Eskimo are the indigenous peoples who have traditionally inhabited the northern circumpolar region from eastern Siberia (Russia), across Alaska (United States), Canada, and Greenland. The two main peoples known as "Eskimo" are: the Inuit of Canada, Northern Alaska (sub-group "Inupiat"), and Greenland; and the Yupik of eastern Siberia and Alaska. The Yupik comprise speakers of four distinct Yupik languages: one used in the Russian Far East and the others among people of Western Alaska, Southcentral Alaska and along the Gulf of Alaska coast. A third northern group, the Aleut, is closely related to the Eskimo. They share a relatively recent common ancestor, and a language group (Eskimo-Aleut).