The area, occupied by the Navajo Nation, covers 27,425 square miles (71,000 km2) and is located in different small parts of three states: Arizona, New Mexico and Utah. The nation is officially considered a sovereign Native-American nation, which is governed in agreements with the Congress. The Navajo Nation occupies the largest area than any other US tribe does. Different institutions are active on the territory of the tribe, such as health services, local educational trusts, an executive office and others.

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