Nation
A nation is "a large body of people united by common descent, history, culture, or language". While, "It may inhabiting a particular country or territory", there are nations who have such strong social bonds that they survive and even prosper without "inhabiting a particular country or territory". As an example the "North American Indian people or confederation of peoples."
A nation is often a territory where all the people are led by the same government but they he word “nation” can also "refer to a group of people who share a history, traditions, culture and, often, language—even if the group does not have a country of its own."