States Bordering Arizona (Phoenix Is in Arizona)

Arizona's Four Neighbors

Phoenix is the capital of Arizona. Arizona shares borders with four U.S. states (not three):

Note: Arizona also touches Colorado at a single point (Four Corners Monument)—but this is a point, not a border segment.

Phoenix's Position

• South-central Arizona (Salt River Valley)
• ~120 mi north of Mexico border
• ~150 mi east of California border
• ~270 mi south of Utah border
• ~320 mi west of New Mexico border

Regional Context

• Sun Corridor: Phoenix–Tucson mega-region (5M+ people)
• Colorado River: Lifeline for AZ, CA, NV, MX — governed by 1922 Compact
• Tribal lands: 22 reservations cover 28% of AZ (Navajo, Hopi, Tohono O'odham, etc.)