California-Japan Sister City Lists

There are currently 109 sister city relationships between cities in California and Japan.  The earliest sister city relationships began in 1957, and there have been additional relationships developed almost every year since then.  For PDFs of the full list of California-Japan sister city relationships, please click on the following links, each organized by a different parameter for your convenience:

California-Japan Sister City Relationships By Year Incorporated

California-Japan Sister City Relationships By California City Name

California-Japan Sister City Relationships By Japan City Name

California-Japan Sister City Relationships Celebrating Anniversaries in 2022

California-Japan Sister City Relationships Celebrating Anniversaries in 2023

California-Japan Sister City Relationships Celebrating Anniversaries in 2024

California-Japan Sister City Relationships Celebrating Anniversaries in 2025

California-Japan Sister City Relationships Celebrating Anniversaries in 2026