The Navajo (/ˈnævəhoʊ, ˈnɑːvə-/; British English: Navaho; Navajo: Diné or Naabeehó) are a Native American people of the Southwestern United States. With more than 399,494 enrolled tribal members as of 2021, the Navajo Nation is the largest federally recognized tribe in the United States; additionally, the Navajo Nation has the largest reservation in the country. The reservation straddles the Four Corners region and covers more than 27,325 square miles (70,000 square km) of land in Arizona, Utah and New Mexico. The Navajo Reservation is slightly larger than the state of West Virginia. The Navajo language is spoken throughout the region, and most Navajos also speak English.