Republic of Poland
Japan
Czech Republic ‧ City of Brno, South Moravian Region
Japan ‧ Kagawa Prefecture
Commonwealth of Australia ‧ City of Logan, Queensland
Japan ‧ Miyazaki Prefecture
Japan ‧ Okinawa Prefecture
United States ‧ City of San Gabriel, Los Angeles County, California
Japan ‧ Narita City, Chiba Prefecture
Republic of South Africa ‧ Pretoria
Japan ‧ Miyako City, Iwate Prefecture
Japan ‧ Miyagi Prefecture
Republic of Korea ‧ Gumi City, North Gyeongsang Province
Republic of the Marshall Islands
Japan ‧ Chiba Prefecture
Japan ‧ Tsukubamirai City, Ibaraki Prefecture
