Counties and equivalents in California
Areas related by mapped geography to California.
- Alameda County, California
- Alpine County, California
- Amador County, California
- Butte County, California
- Calaveras County, California
- Colusa County, California
- Contra Costa County, California
- Del Norte County, California
- El Dorado County, California
- Fresno County, California
- Glenn County, California
- Humboldt County, California
- Imperial County, California
- Inyo County, California
- Kern County, California
- Kings County, California
- Lake County, California
- Lassen County, California
- Los Angeles County, California
- Madera County, California
- Marin County, California
- Mariposa County, California
- Mendocino County, California
- Merced County, California
- Modoc County, California
- Mono County, California
- Monterey County, California
- Napa County, California
- Nevada County, California
- Orange County, California
- Placer County, California
- Plumas County, California
- Riverside County, California
- Sacramento County, California
- San Benito County, California
- San Bernardino County, California
- San Diego County, California
- San Francisco County, California
- San Joaquin County, California
- San Luis Obispo County, California
- San Mateo County, California
- Santa Barbara County, California
- Santa Clara County, California
- Santa Cruz County, California
- Shasta County, California
- Sierra County, California
- Siskiyou County, California
- Solano County, California
- Sonoma County, California
- Stanislaus County, California
- Sutter County, California
- Tehama County, California
- Trinity County, California
- Tulare County, California
- Tuolumne County, California
- Ventura County, California
- Yolo County, California
- Yuba County, California