List of 15 counties in the U.S. state of Arizona:

  1. Apache County
  2. Cochise County
  3. Coconino County
  4. Gila County
  5. Graham County
  6. Greenlee County
  7. La Paz County
  8. Maricopa County
  9. Mohave County
  10. Navajo County
  11. Pima County
  12. Pinal County
  13. Santa Cruz County
  14. Yavapai County
  15. Yuma County