List of Northern and Central California Cities with Sister Cities in Japan Celebrating Anniversaries

(As of January, 2018)
City (California) City/Town/Village (Japan) Prefectures Since Anniversary
 San Mateo  Toyonaka City  Osaka  10/8/1963  55th
 Vallejo  Akashi City  Hyogo  12/9/1968  50th
 Napa  Iwanuma City  Miyagi  2/15/1973  45th
 Lindsay  Ono City  Hyogo  2/17/1973  45th
 Cupertino  Toyokawa City  Aichi  12/19/1978  40th
 Rohnert Park  Hashimoto City  Wakayama  11/7/1983  35th
 Sausalito  Sakaide City  Kagawa  2/2/1988  30th
 Gilroy  Takko Town  Aomori  4/18/1988  30th
 Watsonville  Kawakami Village  Nagano  10/9/1988  30th
 Salinas  Wakuya Town  Miyagi  8/25/1998  20th
 Pittsburg  Shimonoseki City  Yamaguchi  12/18/1998  20th
 Sunnyvale  Iizuka City  Fukuoka  12/20/2013  5th
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