| County | County Seat |
|---|
| Alameda | |
| Alpine | |
| Amador | |
| Butte | |
| Calaveras | |
| Colusa | |
| Contra Costa | |
| Del Norte | |
| El Dorado | |
| Fresno | |
| Glenn | |
| Humbolt | |
| Imperial | |
| Inyo | |
| Kern | |
| Kings | |
| Lake | |
| Lassen | |
| Los Angeles | |
| Madera | |
| Marin | |
| Mariposa | |
| Mendocino | |
| Merced | |
| Modoc | |
| Mono | |
| Monterey | |
| Napa | |
| Nevada | |
| | County | County Seat |
|---|
| Orange | |
| Placer | |
| Plumas | |
| Riverside | |
| Sacramento | |
| San Benito | |
| San Bernardino | |
| San Diego | |
| San Francisco | |
| San Joaquin | |
| San Luis Obispo | |
| San Mateo | |
| Santa Barbara | |
| Santa Clara | |
| Santa Cruz | |
| Shasta | |
| Sierra | |
| Siskiyou | |
| Solano | |
| Sonoma | |
| Stanislaus | |
| Sutter | |
| Tehama | |
| Trinity | |
| Tulare | |
| Tuolumne | |
| Ventura | |
| Yolo | |
| Yuba | |
|
Countries of Europe 
Countries of Africa 
Countries of Asia
