| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ucano | city | Sucumbios | Ecuador | 0.16 | -76.55 | 1066 | 20 |
| Umbaqui | city | Sucumbios | Ecuador | 0.18 | -77.47 | 2532 | 208 |
| Union Oriental | city | Sucumbios | Ecuador | 0.02 | -76.86 | 1079 | 10767 |
| Unión y Progreso | city | Sucumbios | Ecuador | 0.08 | -76.89 | 1669 | 22795 |