-The Nation's lands include the main reservation, the Gila Bend Reservation, San Xavier Reservation, and Florence Village
-The Nation's boundaries start south of Casa Grande and include parts of Pinal and Pima Counties
-The Nation has about 28,000 members and occupies 2.8 million acres of land, making it the second largest Native American land holding in the United States
-The Nation's boundaries continue south into Mexico
-The Tohono O'odham people have lived in the region for more than 10,000 years
-The 1853 Gadsden Purchase split the Nation's lands between the United States and Mexico