| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ubero | city | Oaxaca | Mexico | 17.30 | -95.00 | 141 | 1408 |
| Union | city | Oaxaca | Mexico | 17.39 | -97.62 | 7601 | 1686 |
| Union Hidalgo | city | Oaxaca | Mexico | 17.39 | -97.70 | 6912 | 2036 |
| Union Zapata | city | Oaxaca | Mexico | 16.92 | -96.41 | 5869 | 8117 |
| Union de Guerrero | city | Oaxaca | Mexico | 15.93 | -96.33 | 3746 | 3326 |
| Unión Hidalgo | city | Oaxaca | Mexico | 16.47 | -94.83 | 75 | 15812 |
| Unión Juárez | city | Oaxaca | Mexico | 16.71 | -96.00 | 3349 | 1341 |
| Unión Juárez San Pedro | city | Oaxaca | Mexico | 16.74 | -95.99 | 3713 | 1341 |
| Unión Linda Vista | city | Oaxaca | Mexico | 16.35 | -97.76 | 944 | 3427 |
| Unión Paz y Progreso | city | Oaxaca | Mexico | 17.40 | -97.52 | 7923 | 1671 |
| Unión de Cárdenas | city | Oaxaca | Mexico | 17.28 | -98.01 | 6233 | 5513 |
| Unión y Libertad | city | Oaxaca | Mexico | 16.43 | -97.80 | 1082 | 2372 |
| Unión y Progreso | city | Oaxaca | Mexico | 17.27 | -97.59 | 7595 | 8504 |
| Unión y Progreso | city | Oaxaca | Mexico | 17.00 | -97.75 | 4593 | 5629 |
| Usila | city | Oaxaca | Mexico | 17.89 | -96.53 | 830 | 3840 |
| Uvero | city | Oaxaca | Mexico | 17.30 | -95.00 | 141 | 1408 |