Arizona
 
  
Arizona
is a state in the southwestern region of the United States. Phoenix
Phoenix
is the capital, and largest city, of the U.S. state of Arizona. With 1,563,025 people (as of 2015), Phoenix is the sixth most populous city nationwide, the most populous state capital in the United States, and the only state capital with a population of more than 1 million residents.
Tucson
is a city and the county seat of Pima County, Arizona, United States, and home to the University of Arizona. coloradoriver
The Colorado River
is one of the principal rivers of the Southwestern United States and northern Mexico (the other being the Rio Grande). The 1,450-mile (2,330 km) Colorado River drains an expansive, arid watershed that encompasses parts of seven U.S. and two Mexican states.

Arizona.


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