Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Information Collection Notice
Trademark Concerns
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
Contact Us
Security
DMCA
© 1999–2026 Urban Dictionary ®
Mugs
Tees
Hoodies
Pro Customization
Create unique products with your own words and definitions
Preview
Personalize Your Design
Your Word
Your Definition
The REAL South Bay (as opposed to the FAKE south bay --is there even a BAY there?!?!-- down in la-la land) is a subregion of the San Francisco Bay Area, California, United States and is roughly synonymous with Silicon Valley and the Santa Clara Valley. The South Bay encompasses the northern part of Santa Clara Valley and adjacent communities in the southern parts of the San Francisco Peninsula and East Bay. It now reaches approximately from San Mateo (on the Peninsula) and the Fremont/Newark area in the East Bay down through San Jose, centered roughly on Sunnyvale. The Highway 17 corridor through the Santa Cruz Mountains into Scotts Valley and Santa Cruz in Santa Cruz County is sometimes considered a part of Silicon Valley. The South Bay includes: San Jose, California Santa Clara County, California Silicon Valley Santa Clara Valley Sunnyvale, California
Text fits
Save
Cancel