private association of businesses located in Castro Valley, San Lorenzo, Ashland, and Cherryland. Besides promoting local businesses, it also hosts and participates in local community events. Eden Area Regional Occupational Program provides career technical training for both high school students and adults in the area. It is offered through a partnership with Chabot College, Castro Valley Unified School District, and San Lorenzo Unified School District. References Further reading (} Former townships in Alameda County, California