Glendale is a city in Maricopa County, Arizona, United States, located about 9 miles northwest from Downtown Phoenix. According to the 2010 census, the population of the city is 226,721. Wikipedia

Mesa is a city in Maricopa County, in the State of Arizona and is a suburb located about 20 miles east of Phoenix. Mesa is the central city of the East Valley section of the Phoenix Metropolitan Area. Wikipedia