| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Zashishem'ye | city | Respublika Mariy-El | Russia | 56.9652778 | 49.3827778 | 593 | 2410 |
| Zashizhem'ye | city | Respublika Mariy-El | Russia | 56.9652778 | 49.3827778 | 593 | 2410 |
| Zelenogorsk | city | Respublika Mariy-El | Russia | 56.5177778 | 48.7872222 | 508 | 1386 |
| Zolotyye Klyuchi | city | Respublika Mariy-El | Russia | 56.3 | 48.9666667 | 479 | 1426 |
| Zvenigovo | city | Respublika Mariy-El | Russia | 55.9741667 | 48.0180556 | 288 | 1540 |
| Zvenigovskiy Zaton | city | Respublika Mariy-El | Russia | 55.9741667 | 48.0180556 | 288 | 1540 |
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