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| Nation | State | State city |
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| Croatia | Karlovac | Karlovac |
| Croatia | Vukovar-Syrmia | Vukovar |
| Croatia | Osijek-Baranja | Osijek |
| Croatia | Brod-Posavina | Slavonski-Brod |
| Croatia | Požega-Slavonia | Požega |
| Croatia | Virovitica-Podravina | Virovitica |
| Croatia | Sisak-Moslavina | Sisak |
| Croatia | Bjelovar-Bilogora | Bjelovar |
| Croatia | Koprivnica-Križevci | Koprivnica |
| Croatia | Zagreb | Zagreb |
| Croatia | Krapina-Zagorje | Krapina |
| Croatia | Czech | Denmark |
| Finland | Greece | Iceland |
| Ireland | Japan | Korea |
| Liechtenstein | Netherlands | New Zealand |
| Norway | Peru | Spain |
| Sweden | Swiss | USA |
| Mr. Jin's Math Classroom | Teacher Jin's Library |
| PaperLee's Hobby Life | Flo's Norway |
| Zoochess |