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Japan-Washington Relations

Sister Cities


The relationship between Japan and Washington State is very close, not only at the level of trade relationships, but also at the interpersonal level. There are currently 35 sister-city (including one city-county) and one sister-state relationships between Japan and Washington State, providing opportunities for exchanges and understanding between the people of both places. Washington also has a sister-state relationship with Hyogo Prefecture.

Washington State

State Prefecture Signing Date
Washington Hyogo October, 1963

City/Town Prefecture City/Town Signing Date
Seattle Hyogo Kobe City October, 1957
Bellingham Chiba Tateyama City July, 1958
Tacoma Fukuoka Kitakyushu City June, 1959
Spokane Hyogo Nishinomiya City July, 1961
Everett Yamaguchi Iwakuni City August, 1962
Auburn Hyogo Tanba City July, 1968
Kent Hyogo Tanba City November, 1968
Renton Hyogo Nishiwaki City July, 1969
Bellevue Osaka Yao City November, 1969
Bremerton Hiroshima Kure City August, 1970
Wenatchee Aomori Kuroishi City October, 1971
Yakima Aomori Itayanagi Town February, 1972
Walla Walla Hyogo Sasayama Town August, 1972
Tukwila Tokushima Ikawa Town (Miyoshi City since 2007) November, 1979
Olympia Hyogo Kato City April, 1981
Moses Lake Yamagata Yonezawa City May, 1981
Camas Shizuoka Hamamatsu City September, 1981
Wenatchee Aomori Misawa City October, 1981
Edmonds Aichi Hekinan City April, 1988
Pullman Hyogo Kasai City November, 1989
Chehalis Shizuoka Inasa Town (Hamamatsu City since 1998) October, 1990
Ferndale Chiba Minami-Boso City October, 1991
Kititas County Hyogo Sanda City April, 1992
Sequim Hyogo Shiso City June, 1993
Federal Way Aomori Hachinohe City August, 1993
Kelso Shizuoka Makinohara City December, 1994
Port Angeles Aomori Mutsu City August,1995
Camas Mie Taki Town October,1995
Vancouver Kyoto Joyo Town October, 1995
Anacortes Akita Nikaho City September,1996
Chelan Hyogo Kato City November,1996
Longview Saitama Wako City October 1, 1999
East Wenatchee Aomori Misawa City August, 2001
Lakewood Okinawa Okinawa City January, 2002
Port Townsend Hyogo Ichikawa Town October, 2002

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Montana State

State Prefecture Signing Date
Montana Kumamoto July, 1982


City/Town Prefecture City/Town Signing Date
Livingston Gunma Naganohara Town October, 1991

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Northern Idaho

At present there are no sister city relationships in Northern Idaho. (Source: The Council of Local Authorities for International Relations (CLAIR) as of March 31, 2007)

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