While Taiwan as a sovereign entity operates diplomatically on a national level, its major cities maintain extensive sister-city relationships worldwide to foster cultural and economic exchange:
* **Taipei:** Los Angeles (USA), Houston (USA), Seoul (South Korea), Prague (Czech Republic), Warsaw (Poland), and Gold Coast (Australia). * **Kaohsiung:** Miami (USA), Brisbane (Australia), Honolulu (USA), and Busan (South Korea). * **Taichung:** Austin (USA), Auckland (New Zealand), and San Diego (USA). * **Tainan:** San Jose (USA), Columbus (USA), and Kyoto (Japan).
