| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tres Unidos | city | Amazonas | Brazil | -6.62 | -69.54 | 413 | 0 |
| Tres Unidos | city | Ucayali | Peru | -9.68 | -74.27 | 830 | 149 |
| Tres Unidos | city | San Martin | Peru | -6.81 | -76.23 | 987 | 2746 |
| Tres Unidos | city | San Martin | Peru | -6.50 | -76.46 | 987 | 22429 |
| Tres Unidos | city | Lima | Peru | -11.73 | -76.98 | 2509 | 756 |
| Tres Unidos de Metereni | city | Junin | Peru | -11.80 | -74.22 | 3349 | 596 |