Mervyn's was an American middle-scale department store chain based in Hayward, California, and founded by Mervin G. Morris (1920–2021). It carried national brands of clothing, footwear, bedding, bath products, furniture, jewelry, beauty products, electronics, toys, and housewares. Many of the company's stores were opened in shopping malls; however, some locations were operated independently. Based on 2005 revenue, Mervyn's was the 83rd largest retailer in the United States.

Hayward is a city located in Alameda County, California, United States, in the East Bay subregion of the San Francisco Bay Area. With a population of 162,954 as of 2020, Hayward is the sixth largest city in the Bay Area, and the third largest in Alameda County. Hayward was ranked as the 34th most populous municipality in California. It is included in the San Francisco–Oakland–San Jose Metropolitan Statistical Area by the US Census. It is located primarily between Castro Valley, San Leandro and Union City, and lies at the eastern terminus of the San Mateo–Hayward Bridge. The city was devastated early in its history by the 1868 Hayward earthquake. From the early 20th century until the beginning of the 1980s, Hayward's economy was dominated by its now defunct food canning and salt production industries.