Arizona is a landlocked state situated in the southwestern region of the United States of America. Arizona shares land borders with Utah to the north, the Mexican state of Sonora the south, New Mexico to the east, and Nevada to the west. Arizona shares water borders with California and the Mexican state of Baja California to the west along the Colorado River. Arizona is also one of the Four Corners states, at which Arizona touches Colorado.
Arizona has an area of 113,998 square miles (295,253 km2), making it the sixth largest U.S. state. Of Arizona's total area, 0.32% consists of water, which makes Arizona the state with the second lowest percentage of water area (New Mexico is the lowest at 0.19%).
The United States is a country in the Northern Hemisphere, Western Hemisphere, and the Eastern Hemisphere. It consists of forty-eight contiguous states in North America, Alaska, a peninsula which forms the northwestern most part of North America, and Hawaii, an archipelago in the Pacific Ocean. There are several United States territories in the Pacific and Caribbean. The term "United States", when used in the geographical sense, means the continental United States, Alaska, Hawaii, Puerto Rico, Guam, and the Virgin Islands of the United States. The country shares land borders with Canada and Mexico and maritime (water) borders with Russia, Cuba, and the Bahamas in addition to Canada and Mexico.
Payson is a town in northern Gila County, Arizona, United States. Its location puts it almost exactly in the geographic center of Arizona. Payson has been called "The Heart of Arizona".
According to the Census Bureau, the population of the town is 15,301.
Mesa (// MES-ə) is a city in Maricopa County, in the State of Arizona and is a suburb located about 20 miles (32 km) east of Phoenix. Mesa is in the East Valley section of the Phoenix Metropolitan Area. It is bordered by Tempe on the west, the Salt River Pima-Maricopa Indian Community on the north, Chandler and Gilbert on the south, and Apache Junction on the east. As of the 2010 Census Mesa became Arizona's center of population.
Mesa is the third-largest city in Arizona, after Phoenix and Tucson, the 38th-largest city in the US. The city is home to 439,041 as of 2010, reported by the Census Bureau, making its population larger than more recognizable cities such as Atlanta, Miami, Minneapolis, Cincinnati, Greensboro, Pittsburgh, Ft. Wayne, St. Louis, Tulsa, Wichita, and Cleveland. Mesa is home to numerous higher education facilities including Polytechnic campus of Arizona State University.