Z
| Zacatecas (MX) | Zarafshon (UZ) | Zhoushan (CN) |
| Zadar (HR) | Zaysan (KZ) | Zhuhai (CN) |
| Zagreb (HR) | Zhangjiajie (CN) | Zielona Gora (PL) |
| Zahedan (IR) | Zhanjiang (CN) | Ziguinchor (SN) |
| Zakynthos (GR) | Zhaotong (CN) | Zilina (SK) |
| Zamboanga (PH) | Zhengzhou (CN) | Zurich (CH) |
| Zanzibar (TZ) | Zhezqazghan (KZ) | Zweibrucken (DE) |
| Zaporizhzhya (UA) | Zhijiang (CN) |