Sun City is an unincorporated community and census-designated place in Maricopa County, Arizona, United States, that is located within the Phoenix metropolitan area.
The population was 37,499 according to the 2010 census. Its adjoining sister city is Sun City West. Both cities are retirement communities popular with snowbirds.
Wikipedia https://en.wikipedia.org/wiki/Sun_City,_Arizona
Coordinates 33°37'44.44" N -112°16'54.961" E