The city of Phoenix is commonly known as the capital of Arizona. However, there are many other terms that can be used as synonyms for the capital. Some people refer to it as the Valley of the Sun due to its warm and sunny climate. Others may simply call it AZ's Capital City or refer to it as the Phoenix Metropolitan Area. Additionally, some may use the official name of the city: The City of Phoenix. Whatever the name, Phoenix remains a vibrant and bustling city with much to offer visitors and residents alike.