Arizona is a state located in the southwestern region of the United States. It is known for its diverse landscapes, which include deserts, mountains, and canyons. One of its most famous natural attractions is the Grand Canyon, a massive gorge carved by the Colorado River that draws millions of visitors each year. The state has a warm climate, with hot summers and mild winters, making it a popular destination for outdoor activities. Arizona is also home to several Native American tribes, including the Navajo Nation, which is the largest tribe in the U.S. The state's capital is Phoenix, known for its vibrant culture and growing economy.