| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Port Union | city | Terre-Neuve-et-Labrador | Canada | 48.48 | -53.10 | 3 | 1782 |
| Port Union | city | Ontario | Canada | 43.78 | -79.13 | 246 | 105358 |
| Port Union | city | Ohio | United States | 39.33 | -84.46 | 830 | |
| Port Union (historical) | city | Louisiana | United States | 32.66 | -92.14 | 49 |