Bay Area (disambiguation)
- Bay City, Metro Manila
- California
- Chesapeake Bay
- China
- Florida
- Galveston Bay
- Galveston Bay Area
- Grand Traverse Bay
- Greater Bay Area
- Guangdong
- Guangdong–Hong Kong–Macao Greater Bay Area
- Hong Kong
- Macau
- Manila Bay
- Maryland
- Michigan
- Monterey Bay
- Northern California
- Philippines
- San Francisco Bay
- San Francisco Bay Area
- Tampa Bay
- Tampa Bay area
- Texas
- Traverse City metropolitan area
- Virginia