The West Valley refers to the rapidly growing southwestern portion of the Phoenix metropolitan area, encompassing cities and communities west of downtown Phoenix and the central valley. Major cities in the West Valley include Goodyear, Avondale, Litchfield Park, Surprise, and Peoria, with smaller communities like Buckeye and Glendale also considered part of the region. Geographically, the West Valley is bounded roughly by the White Tank Mountains to the west and extends eastward toward central Phoenix, with Interstate 10 serving as a key north-south corridor. The region has experienced significant population growth over recent decades, driven by residential development, commercial expansion, and major employers. The West Valley is characterized by newer suburban neighborhoods, master-planned communities, and expanding retail and entertainment districts. Economically, it hosts manufacturing facilities, distribution centers, and has become a hub for sports and recreation, including spring training baseball facilities. The West Valley generally has lower population density than central Phoenix areas, though this continues to change with ongoing development. The exact boundaries are somewhat informal and can vary depending on context—some definitions include additional surrounding areas. The region is known for its affordability compared to more established Phoenix neighborhoods, which has contributed to its appeal for families and businesses relocating to the Phoenix area.