Mesa is a city in Maricopa County, in the U.S. state of Arizona. Mesa is the central city of the East Valley section of the Phoenix Metropolitan Area, as well as the largest suburb in the metro area. It is the third-largest city in Arizona, after Phoenix and Tucson, and the 38th-largest city in the US. The city is home to 439,041 people as of 2019, according to the US Census Bureau. Mesa is the largest city in the state of Arizona outside of the Phoenix metropolitan area.Mesa is known for its warm, desert climate. The city experiences very hot summers and mild winters. Mesa is a great place to visit year-round, but the best time to visit is during the cooler months from October to April.Mesa is home to many popular attractions, such as the Arizona Museum of Natural History, the Mesa Arts Center, and the Pueblo Grande Museum. Downtown Mesa is also home to a number of restaurants, bars, and shops.If you're visiting Mesa, there are a few things you should know about parking in the city. Downtown Mesa has a number of parking options, including street parking, metered parking, and parking garages. There are also a number of private parking lots in the area. If you're visiting Mesa on a weekday, be sure to arrive early to find a spot. On weekends, parking is usually more readily available.