Phoenix is the capital city of the state of Arizona in the United States. It is known for its warm climate, with hot summers and mild winters. The city is part of the Sonoran Desert and features a mix of urban and natural landscapes, including mountains and parks. Founded in 1881, Phoenix has grown to become one of the largest cities in the U.S. It is a cultural hub, offering various attractions such as museums, theaters, and sports teams. The city is also recognized for its diverse population and vibrant economy, which includes sectors like technology and healthcare.