There are at least 24 cities named La Unión in the entire world. The following map and table contain general information about these cities.
| # | Country | Region | City | Coordinates |
|---|---|---|---|---|
| 1 | Mexico | Sonora | La Unión | 26.82, -109.608 |
| 2 | United States | New Mexico | La Union | 31.951, -106.662 |
| 3 | Mexico | Guerrero | La Unión | 17.986, -101.807 |
| 4 | Mexico | Morelos | La Unión | 18.896, -99.25 |
| 5 | Mexico | Puebla | La Unión | 20.262, -97.871 |
| 6 | Mexico | Veracruz | La Unión | 20.892, -97.665 |
| 7 | Mexico | Chiapas | La Unión | 15.055, -92.511 |
| 8 | Mexico | Tabasco | La Unión | 17.848, -92.496 |
| 9 | Guatemala | Zacapa | La Unión | 14.967, -89.29 |
| 10 | Mexico | Quintana Roo | La Union | 17.899, -88.881 |
| 11 | Honduras | Santa Bárbara | La Unión | 15.133, -88.55 |
| 12 | Honduras | Lempira | La Unión | 14.817, -88.4 |
| 13 | El Salvador | La Unión | La Unión | 13.337, -87.844 |
| 14 | Honduras | Atlántida | La Unión | 15.717, -87 |
| 15 | Peru | Piura | La Unión | -5.402, -80.742 |
| 16 | Ecuador | Azuay | La Unión | -2.85, -78.783 |
| 17 | Colombia | Nariño | La Unión | 1.605, -77.132 |
| 18 | Peru | Huanuco | La Unión | -9.827, -76.802 |
| 19 | Colombia | Antioquia | La Unión | 5.974, -75.362 |
| 20 | Colombia | Sucre | La Unión | 8.85, -75.279 |
| 21 | Venezuela | Barinas | La Unión | 8.216, -67.767 |
| 22 | Spain | Murcia | La Unión | 37.619, -0.878 |
| 23 | Philippines | Caraga | La Union | 9.086, 125.536 |
| 24 | Philippines | Davao | La Union | 6.704, 126.088 |
