| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Union | city | Puerto Rico | United States | 17.995 | -66.54583 | 13 | 43482 |
| University Gardens | city | Puerto Rico | United States | 18.40778 | -66.06556 | 55 | 381107 |
| Utuado | city | Puerto Rico | United States | 18.2675 | -66.70083 | 610 | 18026 |
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