Phoenix, Arizona, is known as the "Sun City."

Phoenix is often referred to as "Sun City" due to its consistently sunny weather, with more than 300 sunny days annually. This nickname highlights the city’s warm, desert climate, which is characterized by hot summers and mild winters. Phoenix is not only the state capital of Arizona but also one of the fastest-growing cities in the U.S., attracting people with its sunny weather, affordable living, and economic opportunities. The city's nickname has also become associated with its active lifestyle and numerous outdoor activities that take advantage of its bright, sunny days.