| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Zachimi | city | Okinawa-ken | Japan | 26.4 | 127.75 | 3 | 36376 |
| Zachini | city | Okinawa-ken | Japan | 26.4 | 127.75 | 3 | 36376 |
| Zafu | city | Miyagi-ken | Japan | 38.4880556 | 140.8755556 | 223 | 37546 |
| Zafuwa | city | Okinawa-ken | Japan | 26.1394444 | 127.6852778 | 29 | 35187 |
| Zaha | city | Okinawa-ken | Japan | 26.1394444 | 127.6852778 | 29 | 35187 |
| Zahana | city | Okinawa-ken | Japan | 26.1666667 | 127.6666667 | 3 | 34233 |
| Zaike | city | Gifu-ken | Japan | 36.2833333 | 137.3666667 | 2526 | 23973 |
| Zaishoku | city | Okinawa-ken | Japan | 25.8333333 | 131.2333333 | 144 | 8933 |
| Zakimi | city | Okinawa-ken | Japan | 26.4 | 127.75 | 3 | 36376 |
| Zama | city | Gumma-ken | Japan | 36.5333333 | 139.3666667 | 1781 | 37975 |
| Zama | city | Kanagawa-ken | Japan | 35.4888889 | 139.3886111 | 160 | 420196 |
| Zamami | city | Okinawa-ken | Japan | 26.2241667 | 127.3011111 | 22 | 6389 |
| Zaman | city | Okinawa-ken | Japan | 26.2241667 | 127.3011111 | 22 | 6389 |
| Zanado | city | Okinawa-ken | Japan | 26.3333333 | 126.8 | 3 | 12630 |
| Zanadō | city | Okinawa-ken | Japan | 26.3333333 | 126.8 | 3 | 12630 |
| Zaomachi | city | Niigata-ken | Japan | 37.45 | 138.85 | 118 | 23444 |
| Zashiki | city | Okinawa-ken | Japan | 26.7833333 | 128.2166667 | 462 | 33345 |
| Zawa | city | Okinawa-ken | Japan | 26.1394444 | 127.6852778 | 29 | 35187 |
| Zazare | city | Nagasaki-ken | Japan | 32.8333333 | 128.85 | 0 | 13225 |
| Zaōmachi | city | Niigata-ken | Japan | 37.45 | 138.85 | 118 | 23444 |
| Zeidani | city | Nagasaki-ken | Japan | 32.65 | 130.2 | 626 | 28758 |
| Zekeran | city | Okinawa-ken | Japan | 26.3058333 | 127.7852778 | 3 | 33995 |
| Zempoji | city | Hokkaido | Japan | 43.1333333 | 145.2333333 | 0 | 4068 |
| Zempōji | city | Hokkaido | Japan | 43.1333333 | 145.2333333 | 0 | 4068 |
| Zenda | city | Okinawa-ken | Japan | 26.3166667 | 126.8 | 3 | 12630 |
| Zengi | city | Nara-ken | Japan | 34.3666667 | 135.8 | 856 | 48153 |
| Zenibako | city | Hokkaido | Japan | 43.1333333 | 141.1666667 | 603 | 4674 |
| Zenibakochoo | city | Hokkaido | Japan | 43.1333333 | 141.1666667 | 603 | 4674 |
| Zenibakochōo | city | Hokkaido | Japan | 43.1333333 | 141.1666667 | 603 | 4674 |
| Zenikame | city | Hokkaido | Japan | 41.7666667 | 140.8333333 | 65 | 4683 |
| Zenikamezawa | city | Hokkaido | Japan | 41.7666667 | 140.8333333 | 65 | 4683 |
| Zenki | city | Nara-ken | Japan | 34.3666667 | 135.8 | 856 | 48153 |
| Zenta | city | Okinawa-ken | Japan | 26.3166667 | 126.8 | 3 | 12630 |
| Zentemma | city | Okinawa-ken | Japan | 26.2872222 | 127.7730556 | 3 | 32244 |
| Zentsujicho | city | Kagawa-ken | Japan | 34.2333333 | 133.7833333 | 209 | 61880 |
| Zentsujichó | city | Kagawa-ken | Japan | 34.2333333 | 133.7833333 | 209 | 61880 |
| Zetchaku | city | Okinawa-ken | Japan | 26.2333333 | 127.7 | 26 | 24502 |
| Zetchaku | city | Okinawa-ken | Japan | 26.9333333 | 127.9333333 | 49 | 5545 |
| Zeze-Awazumachi | city | Shiga-ken | Japan | 34.9833333 | 135.9 | 252 | 42838 |
| Zitogata | city | Shizuoka-ken | Japan | 34.6333333 | 138.2 | 3 | 33573 |
| Zittyaku | city | Okinawa-ken | Japan | 26.9333333 | 127.9333333 | 49 | 5545 |
| Zittyaku | city | Okinawa-ken | Japan | 26.6666667 | 127.9833333 | 3 | 22348 |
| Zitôgata | city | Shizuoka-ken | Japan | 34.6333333 | 138.2 | 3 | 33573 |
| Zoga | city | Shimane-ken | Japan | 35.45 | 133.0666667 | 147 | 13699 |
| Zoo | city | Niigata-ken | Japan | 37.45 | 138.85 | 118 | 23444 |
| Zoomachi | city | Niigata-ken | Japan | 37.45 | 138.85 | 118 | 23444 |
| Zoshiku | city | Saga-ken | Japan | 33.2 | 129.85 | 154 | 41483 |
| Zoshuku | city | Saga-ken | Japan | 33.2 | 129.85 | 154 | 41483 |
| Zozo | city | Kumamoto-ken | Japan | 32.5666667 | 130.4833333 | 3 | 14990 |
| Zuchi | city | Kumamoto-ken | Japan | 32.4 | 130.8333333 | 2296 | 36134 |
| Zuikeiran | city | Okinawa-ken | Japan | 26.3058333 | 127.7852778 | 3 | 33995 |
| Zukeran | city | Okinawa-ken | Japan | 26.3058333 | 127.7852778 | 3 | 33995 |
| Zukiran | city | Okinawa-ken | Japan | 26.3058333 | 127.7852778 | 3 | 33995 |
| Zushi | city | Kanagawa-ken | Japan | 35.2916667 | 139.5855556 | 213 | 348296 |
| Zyanao | city | Okinawa-ken | Japan | 26.3333333 | 126.8 | 3 | 12630 |
| Zyanaô | city | Okinawa-ken | Japan | 26.3333333 | 126.8 | 3 | 12630 |
| Zyohana | city | Toyama-ken | Japan | 36.5166667 | 136.95 | 1640 | 31724 |
| Zyohen | city | Ehime-ken | Japan | 32.95 | 132.5833333 | 318 | 20682 |
| Zyusan | city | Aomori-ken | Japan | 41.0333333 | 140.3333333 | 3 | 6346 |
| Zyûsan | city | Aomori-ken | Japan | 41.0333333 | 140.3333333 | 3 | 6346 |
| Zyōhana | city | Toyama-ken | Japan | 36.5166667 | 136.95 | 1640 | 31724 |
| Zyōhen | city | Ehime-ken | Japan | 32.95 | 132.5833333 | 318 | 20682 |
| Zāfuwa | city | Okinawa-ken | Japan | 26.1394444 | 127.6852778 | 29 | 35187 |
| Zōshiku | city | Saga-ken | Japan | 33.2 | 129.85 | 154 | 41483 |
| Zōshuku | city | Saga-ken | Japan | 33.2 | 129.85 | 154 | 41483 |
| Zōzō | city | Kumamoto-ken | Japan | 32.5666667 | 130.4833333 | 3 | 14990 |
| Zōō | city | Niigata-ken | Japan | 37.45 | 138.85 | 118 | 23444 |
| Zōōmachi | city | Niigata-ken | Japan | 37.45 | 138.85 | 118 | 23444 |
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