Glendale ( /ˈɡlɛndeɪl/) is a city in Maricopa County, Arizona, USA, located about nine miles (14 km) northwest from Downtown Phoenix. According to 2010 Census Bureau, the population of the city is 226,721.

The NHL's Phoenix Coyotes and NLL's Arizona Sting began playing in Glendale when Jobing.com Arena (formerly the Glendale Arena) opened in December 2003 in Westgate City Center. Also in Glendale is the new University of Phoenix Stadium, home of the NFL's Arizona Cardinals and the Tostitos Fiesta Bowl, which opened in August 2006 in Sportsmans Park. In 2008, Super Bowl XLII was played there when the Giants faced the Patriots. Both venues are part of the Glendale Sports and Entertainment District development plan, meant to spur growth in the sparsely inhabited Yucca district. The Chicago White Sox and Los Angeles Dodgers of Major League Baseball both moved to the city of Phoenix, Arizona in 2009 for spring training and share a facility, known as Camelback Ranch-Glendale, which is in Phoenix but owned and operated by the City of Glendale.