| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Treinta | city | Morelos | Mexico | 18.70 | -99.18 | 3349 | 46009 |
| Treinta de Noviembre | city | Durango | Mexico | 25.86 | -104.29 | 5869 | 298 |
| Treinta y Seis | city | Sinaloa | Mexico | 24.51 | -107.45 | 6 | 8415 |
| Treinta y Seis | city | Chiapas | Mexico | 14.90 | -92.26 | 830 | 36592 |
| Treinta y Siete Seis | city | Nuevo Leon | Mexico | 27.35 | -100.35 | 830 | 0 |
| Treinta y Tres | city | Veracruz | Mexico | 21.44 | -97.82 | 114 | 3557 |
| Treinta y Uno | city | Puebla | Mexico | 18.41 | -98.34 | 3595 | 11216 |
| Treinta y Uno de Octubre | city | Sonora | Mexico | 27.30 | -110.04 | 45 | 16711 |
| Treinta y Uno de Octubre | city | Sonora | Mexico | 28.67 | -111.53 | 118 | 894 |
| Treintaicinco | city | Sinaloa | Mexico | 25.87 | -108.90 | 75 | 31442 |