| Region | Description of Region | Notes |
| Arizona Strip | Arizona Strip
| Mojave Desert |
| Arizona Sun Corridor | Arizona Sun Corridor | Megaregion extending from Prescott to Nogales |
| Arizona transition zone | Mogollon Rim and
White Mountains (Arizona) in east | the transition zone region
(diagonal across Arizona–NW-to-E-central); Colorado Plateau to northeast, lower level deserts of Basin and Range to west-(NW), SW, and south |
| Canyon Lands | Monument Valley | the Canyonlands of SE Utah and NE Arizona
see: Physiographic regions of the world |
| Coconino Plateau | Coconino Plateau | |
| Colorado River | Colorado River | Mojave Desert in North
In south-Sonoran Desert/Colorado Desert(So. Calif.) |
| Colorado Plateau | Colorado Plateau | |
| Grand Canyon | Grand Canyon | |
| Kaibab Plateau | Kaibab Plateau | |
| Lower Colorado River Valley | Lower Colorado River regions | Regions below Hoover Dam
south to the Colorado River Delta(Mexico)
see: Category:Lower Colorado River Valley |
| Madrean sky islands | Madrean sky islands,
| Southern Arizona, near Tucson, Nogales, Douglas |
| Mogollon Plateau | Mogollon Plateau | |
| Mogollon Rim | Mogollon Rim | |
| Mojave Desert | Mojave Desert | Mohave County, Arizona and
associated areas |
| Monument Valley | Monument Valley
the Canyon Lands | see: Physiographic regions of the world |
| Navajo Nation | Navajo Nation
w/Monument Valley
| Northeast Arizona
and the Colorado Plateau |
| Northeast Arizona | Northeast Arizona | |
| Northern Arizona | Northern Arizona | |
| Oak Creek Canyon | Oak Creek Canyon
bordering on west:
Sycamore Canyon | |
| Phoenix Metropolitan Area | Phoenix Metropolitan Area | see also:
Category:Phoenix metropolitan area |
| San Francisco volcanic field | San Francisco volcanic field | |
| Sonoran Desert | Mojave Desert, Sonoran Desert | by the Hoover Dam/Lake Mead, (w&nw)(Mojave Desert)
Chihuahuan Desert by extreme SE Arizona
All of central, and sw Arizona-lower elevations below Mogollon Rim: part of Sonoran Desert; even the bottom of the Grand Canyon(a lower elevation) would have Sonoran Desert biota/Sonoran influence |
| United States–Mexico border | United States–Mexico border | |
| Verde Valley | Verde Valley with/
Oak Creek Canyon | |
| White Mountains (Arizona) | White Mountains (Arizona) | |
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