- A
- Aichi City
- Aizu-Wakamatsu City, Fukushima Prefecture
- Akita City
- Amgasaki City, Hyogo Prefecture
- Angeles City, Central Luzon (Philippines)
- Aomori City
- Asahikawa City, Hokkaido Prefecture
- Ashikaga City, Tochigi Prefecture
- B
- Bali (Indonesia)
- Bangkok (Thailand)
- Beijing (China)
- Beppu City, Oita Prefecture
- Busan City (South Korea)
- C
- Cebu City (Philippines)
- Changwon-Masan , Gyeongsangnam-do Province (South Korea)
- Chiang Mai City (Thailand)
- Chiba City
- Chofu City, Tokyo Metropolis
- Chubu City, Shizuoka Prefecture
- D
- Da Nang City (Vietnam)
- Daegu City (South Korea)
- Daejeon City (South Korea)
- Daigo City, Ibaraki Prefecture
- Dazaifu City, Fukuoka Prefecture
- Delhi (India)
- Denpasar , Bali Province (Indonesia)
- E
- Edogawa City, Tokyo Metropolis
- F
- Fuji City, Shizuoka Prefecture
- Fujieda City, Shizuoka Prefecture
- Fujimino City, Saitama Prefecture
- Fujisawa City, Kanagawa Prefecture
- Fukui City
- Fukuoka City
- Fukushima City
- Fukuyama City, Hiroshima Prefecture
- Funabashi City, Chiba Prefecture
- G
- Gero City, Gifu Prefecture
- Gifu City
- Ginowan City, Okinawa Prefecture
- Goyang City, Gyeonggi Province (South Korea)
- Gunma City
- Gwangu City (South Korea)
- H
- Hachinohe City, Aomori Prefecture
- Hakkodate City, Hokkaido Prefecture
- Hamamatsu City, Shizuoka Prefecture
- Hanamaki City, Iwate Prefecture
- Handa City, Aichi Prefecture
- Hanoi City (Vietnam)
- Higashi-Osaka City, Osaka Prefecture
- Higashihiroshima City, Hiroshima Prefecture
- Hikone City, Shiga Prefecture
- Hilo , Hawai'i (USA)
- Himeji City, Hyogo Prefecture
- Hino City, Tokyo Metropolis
- Hirakata City, Osaka Prefecture
- Hiratsuka City, Kanagawa Prefecture
- Hirosaki City, Aomori Prefecture
- Hiroshima City
- Hitachi City, Ibaraki Prefecture
- Ho Chi Minh City (Vietnam)
- Hofu City, Yamaguchi Prefecture
- Honolulu , Hawai'i (USA)
- I
- Ibaraki City, Osaka Prefecture
- Iida City, Nagano Prefecture
- Iizuka City, Fukuoka Prefecture
- Ikaho Town, Gunma Prefecture
- Ikoma City, Nara Prefecture
- Incheon City (South Korea)
- Isa City, Kagoshima Prefecture
- Itami City, Osaka Prefecture
- Ito City, Shizuoka Prefecture
- Iwaki City, Fukushima Prefecture
- Izumo City, Shimane Prefecture
- J
- Jeonju City, North Jeolla Province (South Korea)
- Jiaxing City, Zhejiang Province (China)
- K
- Kagawa City
- Kagoshima City
- Kami City, Kochi Prefecture
- Kanazawa City, Ishikawa Prefecture
- Kaohsiung City (Taiwan)
- Kariya City, Aichi Prefecture
- Kashihara City, Nara Prefecture
- Kashiwa City, Chiba Prefecture
- Kawagoe City, Saitama Prefecture
- Kawasaki City, Kanagawa Prefecture
- Khon Kaen City (Thailand)
- Kitakyushu City, Fukuoka Prefecture
- Kobe City, Hyogo Prefecture
- Kochi City
- Kofu City, Yamanashi Prefecture
- Kokubunji City, Tokyo Metropolis
- Koshigaya City, Saitama Prefecture
- Kota Kinabalu , Sabah (Malaysia)
- Kuala Lumpur (Malaysia)
- Kumamoto City
- Kurashiki City, Okayama Prefecture
- Kurume City, Fukuoka Prefecture
- Kusatsu City, Gunma Prefecture
- Kusatsu City, Shiga Prefecture
- Kyoto City
- L
- Luzhu City, Taoyuan (Taiwan)
- M
- Machida City, Tokyo Metropolis
- Maebashi City, Gunma Prefecture
- Maisaka City, Shizuoka Prefecture
- Makuhari City, Chiba Prefecture
- Manila , Metro Manila (Philippines)
- Matsubara City, Osaka Prefecture
- Matsue City, Shimane Prefecture
- Matsumoto City, Nagano Prefecture
- Matsuyama City, Ehime Prefecture
- Meguro City, Tokyo Metropolis
- Minakami City, Gunma Prefecture
- Minato City, Tokyo Metropolis
- Mishima City, Shizuoka Prefecture
- Mitaka City, Tokyo Metropolis
- Mito City, Ibaraki Prefecture
- Miyazaki City
- Morioka City, Iwate Prefecture
- Motobu , Okinawa Prefecture
- Muroran City, Hokkaido Prefecture
- Musashino City, Tokyo Metropolis
- N
- Nagakute City, Nara Prefecture
- Nagano City
- Nagareyama City, Chiba Prefecture
- Nagasaki City
- Nagayo City, Nagasaki Prefecture
- Nago City, Okinawa Prefecture
- Nagoya City, Aichi Prefecture
- Naha City, Okinawa Prefecture
- Nakatsu City, Oita Prefecture
- Nanjing , Jiangsu Province (China)
- Nara City
- Neyagawa City, Osaka Prefecture
- Niigata City
- Niiza City, Saitama Prefecture
- Nishihara , Okinawa Prefecture
- Nishihara City, Okinawa Prefecture
- Nishinomiya City, Hyogo Prefecture
- Numazu City, Shizuoka Prefecture
- O
- Obihiro City, Hokkaido Prefecture
- Obu City, Aichi Prefecture
- Odawara City, Kanagawa Prefecture
- Ohta City, Gunma Prefecture
- Oita City
- Oizumi City, Gunma Prefecture
- Okaya City, Nagano Prefecture
- Okayama City
- Okazaki City, Aichi Prefecture
- Omihachiman City, Shiga Prefecture
- Omiya City, Saitama Prefecture
- Omuta City, Fukuoka Prefecture
- Online , Online Events (Online Event)
- Onna , Okinawa Prefecture
- Onoda City, Yamaguchi Prefecture
- Osaka City
- Otsu City, Shiga Prefecture
- P
- Phitsanulok (Thailand)
- Phnom Penh (Cambodia)
- Phuket City (Thailand)
- Pittsburgh , Pennsylvania (USA)
- Provo , Utah (USA)
- S
- Saga City
- Sagamihara City, Kanagawa Prefecture
- Saitama City
- Sapporo City, Hokkaido Prefecture
- Sarashina-gun City, Nagano Prefecture
- Sarawak (Malaysia)
- Sasebo City, Nagasaki Prefecture
- Seattle , Washington (USA)
- Sendai City, Miyagi Prefecture
- Sendai-shi City, Kagoshima Prefecture
- Seoul City (South Korea)
- Shanghai (China)
- Shimabara City, Nagasaki Prefecture
- Shimizu City, Shizuoka Prefecture
- Shimonoseki City, Yamaguchi Prefecture
- Shinanomachi City, Nagano Prefecture
- Shizuoka City
- Singapore (Republic of Singapore)
- Soka City, Saitama Prefecture
- Suita City, Osaka Prefecture
- Suwa City, Nagano Prefecture
- Suzuka City, Mie Prefecture
- T
- Tachikawa City, Tokyo Metropolis
- Taichung City (Taiwan)
- Taipei City (Taiwan)
- Takamatsu City, Kagawa Prefecture
- Takarazuka City, Hyogo Prefecture
- Takasaki City, Gunma Prefecture
- Takatsuki City, Osaka Prefecture
- Tenri City, Nara Prefecture
- Thai Nguyen City (Vietnam)
- Togane City, Chiba Prefecture
- Tokorozawa City, Saitama Prefecture
- Tokushima City
- Tokyo
- Tome City, Miyagi Prefecture
- Tottori City
- Toyama City
- Toyohashi City, Aichi Prefecture
- Tsu City, Mie Prefecture
- Tsuchiura City, Ibaraki Prefecture
- Tsudanuma City, Chiba Prefecture
- Tsukuba City, Ibaraki Prefecture
- U
- Ueda City, Nagano Prefecture
- Urayasu City, Chiba Prefecture
- Uruma , Okinawa Prefecture
- Utsunomiya City, Tochigi Prefecture
- V
- Vientiane (Laos)
- Vladivostok , Primorsky Krai (Russia)
- W
- Wakayama City
- Wonju City, Gangwon-do (South Korea)
- Y
- Yamagata City
- Yamaguchi City
- Yamashita City, Hyogo Prefecture
- Yatsushiro City, Kumamoto Prefecture
- Yogyakarta , Java (Indonesia)
- Yokohama City, Kanagawa Prefecture
- Yongin City, Gyeonggi Province (South Korea)
- Yufuin City, Oita Prefecture