The Greater Phoenix metro area encompasses Phoenix, Mesa, Gilbert, Chandler, and Scottsdale in central Arizona, with a population of approximately 3 million. The region's economy is anchored by aerospace and defense manufacturing, technology companies, healthcare systems, and real estate development, supported by a growing professional services sector. The area serves as Arizona's primary business hub and is characterized by suburban sprawl across the Salt River Valley, with distinct commercial centers in downtown Phoenix, Scottsdale's upscale retail and hospitality district, and tech corridors in Chandler and Gilbert.