Flagstaff, Arizona is located in the southwestern United States at the intersection of Interstate 17 and Interstate 40, and is the largest city in northern Arizona.
Coconino County is located in the north central part of Arizona. Coconino County contains the Grand Canyon, Havasupai Nation, and parts of the Navajo, Hualapai, and Hopi Nations.
The Northern Arizona Intergovernmental Public Transportation Authority (NAIPTA) is the transit agency in northern Arizona operating the Mountain Line, Mountain Lift and Mountain Link.