| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ulupelit | city | Istanbul Ili | Turkey | 41.0875 | 29.5175 | 439 | 185535 |
| Umraniye | city | Istanbul Ili | Turkey | 41.0166667 | 29.0833333 | 246 | 139974 |
| Umuryeri | city | Istanbul Ili | Turkey | 41.15 | 29.0833333 | 229 | 153295 |
| Unkapani | city | Istanbul Ili | Turkey | 41.0166667 | 28.9666667 | 78 | 106552 |
| Unkapanı | city | Istanbul Ili | Turkey | 41.0166667 | 28.9666667 | 78 | 106552 |
| Uskudar | city | Istanbul Ili | Turkey | 41.025 | 29.0327778 | 288 | 111534 |
| Uskumru | city | Istanbul Ili | Turkey | 41.2219444 | 29.0333333 | 400 | 139577 |
| Uskumrukoy | city | Istanbul Ili | Turkey | 41.2219444 | 29.0333333 | 400 | 139577 |
| Uskumruköy | city | Istanbul Ili | Turkey | 41.2219444 | 29.0333333 | 400 | 139577 |
| Uvezli | city | Istanbul Ili | Turkey | 41.1144444 | 29.4463889 | 380 | 185535 |
| Uvezpinar | city | Istanbul Ili | Turkey | 40.6 | 29.1666667 | 649 | 167360 |
| Uzumbe | city | Istanbul Ili | Turkey | 41.1666667 | 29.25 | 252 | 163872 |
| Uzumce | city | Istanbul Ili | Turkey | 41.1666667 | 29.25 | 252 | 163872 |
| Uzümbe | city | Istanbul Ili | Turkey | 41.1666667 | 29.25 | 252 | 163872 |
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