Tohono Oʼodham people in the context of "Maricopa County, Arizona"

The Tohono Oʼodham Nation is the collective government body of the Tohono Oʼodham tribe in the United States. The Tohono Oʼodham Nation governs four separate sections of land with a combined area of 2.8 million acres (11,330 km), approximately the size of Connecticut and the second-largest Indigenous land holding in the United States. These lands are in the Sonoran Desert of south central Arizona and border the Mexico–United States border for 74 miles (119 km). The Nation is organized into 11 local districts and has a tripartite system of government. Sells is the Nation's largest community and functions as its capital. The Nation has about 34,000 enrolled members, most of whom live off of the reservations.

Oʼodham: (pronounced [ˈʔɔʔɔðam], English approximation: /ˈoʊ.ɒðəm, -dəm/ OH-od(h)-əm) or Papago-Pima is a Uto-Aztecan language of southern Arizona and northern Sonora, Mexico, where the Tohono Oʼodham (formerly called the Papago) and Akimel Oʼodham (traditionally called Pima) reside. In 2000 there were estimated to be approximately 9,750 speakers in the United States and Mexico combined, although there may be more due to underreporting.

It is the 10th most-spoken indigenous language in the United States, and the 3rd most-spoken indigenous language in Arizona (after Western Apache and Navajo). It is the third-most spoken language in Pinal County, Arizona, and the fourth-most spoken language in Pima County, Arizona.