Z
| Zacatecas (MX) | Zaporizhzhya (UA) | Zhoushan (CN) |
| Zadar (HR) | Zarafshan (UZ) | Zhuhai (CN) |
| Zagreb (HR) | Zaragoza *ML (ES) | Zielona Gora (PL) |
| Zahedan (IR) | Zhanjiang (CN) | Ziguinchor (SN) |
| Zaisan (KZ) | Zhaotong (CN) | Zilina (SK) |
| Zakinthos Is (GR) | Zhengzhou (CN) | Zurich (CH) |
| Zamboanga (PH) | Zhezkazgan (KZ) | Zweibrucken (DE) |
| Zanzibar (TZ) | Zhi Jiang (CN) |