| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Unidad Africa | city | Quintana Roo | Mexico | 21.05 | -87.43 | 55 | 596 |
| Unidad Agricola Chan-Xcun | city | Quintana Roo | Mexico | 19.99 | -88.43 | 95 | 447 |
| Unidad Agricola Chechmil | city | Quintana Roo | Mexico | 18.17 | -88.80 | 314 | 894 |
| Unidad Agricola Galeras | city | Quintana Roo | Mexico | 18.06 | -88.92 | 337 | 894 |
| Unidad Agrícola Cuauhtémoc | city | Quintana Roo | Mexico | 19.13 | -88.21 | 78 | 426 |
| Unidad Agrícola El Hular | city | Quintana Roo | Mexico | 17.97 | -88.92 | 374 | 847 |
| Unidad Agrícola Macarrada | city | Yucatan | Mexico | 21.29 | -87.72 | 59 | 745 |
| Unidad Agrícola Tan Kah | city | Quintana Roo | Mexico | 20.25 | -87.42 | 3 | 0 |
| Unidad Agrícola X.- Hazil | city | Quintana Roo | Mexico | 19.85 | -88.26 | 85 | 447 |
| Unidad Antorchista | city | Colima | Mexico | 19.25 | -103.69 | 1807 | 5602 |
| Unidad Aquiles Serdan | city | Puebla | Mexico | 19.07 | -98.21 | 7549 | 204203 |
| Unidad Caprina | city | Baja California Sur | Mexico | 27.34 | -112.76 | 830 | 149 |
| Unidad Deportiva | city | Puebla | Mexico | 19.94 | -97.97 | 6709 | 26479 |
| Unidad Deportiva | city | Zacatecas | Mexico | 22.43 | -102.25 | 6709 | 7421 |
| Unidad Deportiva | city | Guanajuato | Mexico | 21.14 | -101.65 | 6023 | 150223 |
| Unidad Edith | city | Veracruz | Mexico | 22.36 | -98.45 | 72 | 1182 |
| Unidad Fruticola el Nogal | city | Jalisco | Mexico | 19.89 | -103.79 | 6820 | 3129 |
| Unidad Frutícola | city | Jalisco | Mexico | 19.89 | -103.79 | 6820 | 3129 |
| Unidad Ganadera | city | Yucatan | Mexico | 21.10 | -88.98 | 52 | 2094 |
| Unidad Ganadera | city | Yucatan | Mexico | 20.63 | -90.11 | 55 | 1186 |
| Unidad Ganadera | city | Yucatan | Mexico | 20.58 | -89.92 | 141 | 4267 |
| Unidad Ganadera | city | Quintana Roo | Mexico | 20.97 | -87.34 | 26 | 596 |
| Unidad Ganadera | city | Yucatan | Mexico | 20.69 | -90.13 | 29 | 911 |
| Unidad Ganadera | city | Yucatan | Mexico | 20.52 | -90.18 | 29 | 1671 |
| Unidad Ganadera | city | Yucatan | Mexico | 20.71 | -90.16 | 22 | 894 |
| Unidad Ganadera Emiliano Zapata | city | Quintana Roo | Mexico | 21.23 | -87.38 | 36 | 596 |
| Unidad Ganadera La Juventud | city | Quintana Roo | Mexico | 18.29 | -88.82 | 137 | 894 |
| Unidad Ganadera Numero Diez Paraiso | city | Yucatan | Mexico | 20.69 | -90.13 | 29 | 911 |
| Unidad Ganadera Numero Dos | city | Quintana Roo | Mexico | 20.97 | -87.34 | 26 | 596 |
| Unidad Ganadera Santa Ana | city | Quintana Roo | Mexico | 20.75 | -87.48 | 59 | 596 |
| Unidad Ganadera Seis C | city | Yucatan | Mexico | 20.71 | -90.16 | 22 | 894 |
| Unidad Ganadera Tres Pocitos | city | Quintana Roo | Mexico | 19.43 | -88.02 | 39 | 447 |
| Unidad Ganadera Veintinueve | city | Yucatan | Mexico | 20.52 | -90.18 | 29 | 1671 |
| Unidad Habitacional Ctc Jaltenco | city | Morelos | Mexico | 19.80 | -99.06 | 7549 | 48335 |
| Unidad Habitacional Ctc Santa María | city | Morelos | Mexico | 19.78 | -99.08 | 7549 | 52748 |
| Unidad Habitacional Technologico | city | Puebla | Mexico | 19.08 | -98.17 | 7549 | 307648 |
| Unidad Independencia | city | Chiapas | Mexico | 15.37 | -92.44 | 3569 | 8002 |
| Unidad José María Morelos y Pavón | city | Mexico | Mexico | 19.68 | -99.08 | 7549 | 216571 |
| Unidad La Libertad | city | Durango | Mexico | 23.83 | -105.63 | 5029 | 447 |
| Unidad Magisterial Mexico Sesenta y Ocho | city | Puebla | Mexico | 19.05 | -98.16 | 7549 | 358394 |
| Unidad Modelo | city | Distrito Federal | Mexico | 19.37 | -99.12 | 7549 | 1396304 |
| Unidad Modelo | city | Tamaulipas | Mexico | 23.71 | -99.16 | 1249 | 85002 |
| Unidad Modelo Sábana Larga | city | Tabasco | Mexico | 17.80 | -93.69 | 91 | 1192 |
| Unidad Ocho Norte Nueva Xalpatlaco | city | Puebla | Mexico | 18.92 | -98.42 | 6161 | 55359 |
| Unidad Palma | city | Puebla | Mexico | 19.05 | -98.23 | 7011 | 154716 |
| Unidad Progreso | city | Puebla | Mexico | 19.03 | -98.16 | 7549 | 387981 |
| Unidad Proletaria Emiliano Zapata | city | Chiapas | Mexico | 14.87 | -92.26 | 354 | 36224 |
| Unidad Riego | city | Quintana Roo | Mexico | 19.44 | -88.13 | 26 | 447 |
| Unidad Santa Fe | city | Distrito Federal | Mexico | 19.38 | -99.22 | 7627 | 644416 |
| Unidad Seguro Social | city | Distrito Federal | Mexico | 19.38 | -99.22 | 7627 | 644416 |
| Unidad de Riego | city | Quintana Roo | Mexico | 19.85 | -88.91 | 111 | 596 |
| Unidad de Riego | city | Quintana Roo | Mexico | 19.03 | -88.45 | 82 | 745 |
| Unidad de Riego | city | Quintana Roo | Mexico | 18.59 | -88.47 | 85 | 9743 |
| Unidad del Seguro Social en Santa Fe | city | Distrito Federal | Mexico | 19.38 | -99.22 | 7627 | 644416 |
| Unidad y Esfuerzo Popular | city | Guanajuato | Mexico | 21.13 | -101.64 | 6003 | 150226 |
| Unidad y Fuerza | city | Chiapas | Mexico | 14.88 | -92.31 | 318 | 38648 |
| Unidad y Progreso | city | Puebla | Mexico | 19.03 | -98.15 | 7549 | 399093 |
| Unidad y Trabajo | city | Campeche | Mexico | 18.10 | -89.40 | 879 | 1041 |
| Unidad y Trabajo | city | Veracruz | Mexico | 18.87 | -97.11 | 4189 | 76550 |
| Unidos | city | Nuevo Leon | Mexico | 25.39 | -99.65 | 872 | 493 |
| Unidos Venceremos | city | Durango | Mexico | 23.98 | -105.41 | 7775 | 894 |
| Unidos por Guerrero | city | Guerrero | Mexico | 18.34 | -99.55 | 2509 | 52752 |
| Uninajab | city | Chiapas | Mexico | 16.10 | -92.16 | 3438 | 5601 |
| Union | city | Sinaloa | Mexico | 23.33 | -105.92 | 1669 | 1043 |
| Union | city | San Luis Potosi | Mexico | 22.12 | -98.98 | 898 | 4490 |
| Union | city | Tabasco | Mexico | 17.57 | -93.48 | 160 | 1514 |
| Union | city | Chihuahua | Mexico | 25.90 | -107.08 | 5042 | 596 |
| Union | city | Tamaulipas | Mexico | 25.72 | -97.58 | 26 | 6954 |
| Union | city | Sinaloa | Mexico | 23.05 | -105.55 | 2083 | 1028 |
| Union | city | Chiapas | Mexico | 16.53 | -93.93 | 2509 | 2682 |
| Union | city | Quintana Roo | Mexico | 21.26 | -87.24 | 22 | 596 |
| Union | city | Baja California | Mexico | 30.43 | -115.92 | 78 | 272 |
| Union | city | Oaxaca | Mexico | 17.39 | -97.62 | 7601 | 1686 |
| Union Agrarista | city | Chiapas | Mexico | 16.47 | -93.67 | 2080 | 1523 |
| Union Altamira | city | Chiapas | Mexico | 15.48 | -92.45 | 5905 | 7159 |
| Union Azapac | city | Chiapas | Mexico | 17.26 | -93.40 | 1669 | 4383 |
| Union Buenavista | city | Chiapas | Mexico | 15.58 | -92.34 | 4189 | 6109 |
| Union Buenavista | city | Chiapas | Mexico | 15.44 | -92.23 | 8530 | 11565 |
| Union Campesina | city | Chihuahua | Mexico | 29.18 | -107.07 | 6709 | 920 |
| Union Costa Rica | city | Chiapas | Mexico | 15.28 | -92.50 | 1669 | 9460 |
| Union Ejidal Tierra Y Libertad | city | Hidalgo | Mexico | 19.66 | -98.34 | 8389 | 5066 |
| Union Hidalgo | city | Oaxaca | Mexico | 17.39 | -97.70 | 6912 | 2036 |
| Union Jamaica | city | Chiapas | Mexico | 15.34 | -92.53 | 1154 | 9381 |
| Union Juarez | city | Chiapas | Mexico | 16.13 | -93.28 | 2509 | 7478 |
| Union Juarez | city | Chiapas | Mexico | 16.22 | -93.66 | 4189 | 1980 |
| Union Letrero | city | Chiapas | Mexico | 15.50 | -92.45 | 5029 | 6919 |
| Union Libre | city | Yucatan | Mexico | 20.71 | -88.81 | 82 | 920 |
| Union Obrera | city | Guanajuato | Mexico | 21.07 | -101.63 | 5948 | 147435 |
| Union Pijijiapan | city | Chiapas | Mexico | 15.67 | -93.06 | 898 | 2501 |
| Union Primera Seccion | city | Tabasco | Mexico | 18.43 | -93.34 | 3 | 14501 |
| Union Progreso | city | Chiapas | Mexico | 15.59 | -92.23 | 5905 | 9851 |
| Union Rodriguez | city | Tamaulipas | Mexico | 24.53 | -99.46 | 1164 | 619 |
| Union San Antonio | city | Zacatecas | Mexico | 22.66 | -102.17 | 7549 | 5684 |
| Union San Lucas | city | Chiapas | Mexico | 15.50 | -92.32 | 6089 | 7709 |
| Union Tercera Seccion | city | Tabasco | Mexico | 18.42 | -93.39 | 3 | 17152 |
| Union Venustiano Carranza | city | Veracruz | Mexico | 20.02 | -96.89 | 374 | 18867 |
| Union Victoria | city | Chiapas | Mexico | 16.30 | -92.03 | 5442 | 17655 |
| Union Villa Nueva | city | Chiapas | Mexico | 15.50 | -92.45 | 5029 | 6905 |
| Union Yashemel | city | Chiapas | Mexico | 16.92 | -92.51 | 5328 | 13511 |
| Union Yaxgemel | city | Chiapas | Mexico | 16.92 | -92.51 | 5328 | 13511 |
| Union Zapata | city | Oaxaca | Mexico | 16.92 | -96.41 | 5869 | 8117 |
| Union de Chacuaco | city | Zacatecas | Mexico | 22.63 | -103.56 | 6709 | 447 |
| Union de Corrientes | city | Nayarit | Mexico | 21.98 | -105.43 | 6 | 4548 |
| Union de Ejidos | city | Chihuahua | Mexico | 29.66 | -107.75 | 6709 | 298 |
| Union de Ejidos Emiliano Zapata | city | Jalisco | Mexico | 20.32 | -102.53 | 5121 | 26787 |
| Union de Guadalupe | city | Jalisco | Mexico | 19.91 | -103.45 | 6243 | 2808 |
| Union de Guadalupe | city | Jalisco | Mexico | 20.47 | -102.17 | 5869 | 9494 |
| Union de Guerrero | city | Oaxaca | Mexico | 15.93 | -96.33 | 3746 | 3326 |
| Union de Juarez | city | Mexico | Mexico | 20.18 | -101.61 | 5869 | 9711 |
| Union de Peras | city | Guerrero | Mexico | 17.32 | -98.65 | 8389 | 3621 |
| Union de San Antonio | city | Jalisco | Mexico | 21.13 | -102.00 | 6709 | 1937 |
| Union de San Diego | city | Guanajuato | Mexico | 20.86 | -101.44 | 5869 | 24413 |
| Union del Progreso | city | Chiapas | Mexico | 17.28 | -93.55 | 830 | 4438 |
| Union los Olivos | city | Chiapas | Mexico | 15.52 | -92.80 | 1814 | 2086 |
| Union y Campo Nuevo | city | Veracruz | Mexico | 17.69 | -95.06 | 213 | 2634 |
| Union y Libertad | city | Tabasco | Mexico | 17.94 | -92.65 | 29 | 14291 |
| Union y Libertad | city | Puebla | Mexico | 19.08 | -98.17 | 7549 | 307648 |
| Union y Progreso | city | Durango | Mexico | 25.22 | -104.57 | 4455 | 1192 |
| Union y Progreso | city | Veracruz | Mexico | 18.62 | -96.85 | 3349 | 25481 |
| Union y Progreso | city | Tlaxcala | Mexico | 19.30 | -97.92 | 8389 | 45084 |
| Union y Progreso | city | Veracruz | Mexico | 18.83 | -97.16 | 4238 | 51161 |
| Union y Progreso | city | Veracruz | Mexico | 18.83 | -97.16 | 4189 | 51161 |
| Union y Progreso | city | Guerrero | Mexico | 17.22 | -100.42 | 380 | 15835 |
| UnionVeinte de Junio | city | Campeche | Mexico | 18.81 | -89.29 | 830 | 351 |
| Univercidad | city | Guerrero | Mexico | 18.36 | -99.55 | 2509 | 56326 |
| Universidad | city | Michoacan de Ocampo | Mexico | 19.79 | -101.79 | 6709 | 53183 |
| Universidad Tecnológica | city | Guanajuato | Mexico | 21.06 | -101.58 | 6085 | 141569 |
| Universitario | city | Baja California Sur | Mexico | 24.11 | -110.31 | 265 | 50153 |
| Universitario | city | Chiapas | Mexico | 14.89 | -92.28 | 406 | 38049 |
| University City | city | Distrito Federal | Mexico | 19.32 | -99.18 | 7549 | 744794 |
| Universo | city | Chiapas | Mexico | 14.87 | -92.26 | 354 | 36224 |
| Univerzitní kampus Mexické národní autonomní univerzity | city | Distrito Federal | Mexico | 19.32 | -99.18 | 7549 | 744794 |
| Unión | city | Nuevo Leon | Mexico | 25.33 | -99.58 | 830 | 604 |
| Unión | city | Tabasco | Mexico | 17.90 | -93.35 | 101 | 17115 |
| Unión | city | Yucatan | Mexico | 20.97 | -88.63 | 85 | 736 |
| Unión Buena Vista | city | Chiapas | Mexico | 16.49 | -92.82 | 1850 | 4644 |
| Unión Buenavista | city | Chiapas | Mexico | 15.80 | -92.54 | 5193 | 3337 |
| Unión Buenavista | city | Chiapas | Mexico | 16.53 | -92.37 | 7549 | 10439 |
| Unión Buenavista | city | Chiapas | Mexico | 16.00 | -93.23 | 2509 | 1490 |
| Unión Buenavista | city | Chiapas | Mexico | 15.38 | -92.54 | 2624 | 10848 |
| Unión Buenavista | city | Chiapas | Mexico | 15.29 | -92.40 | 2828 | 7716 |
| Unión Campesina | city | Chiapas | Mexico | 16.16 | -92.36 | 2509 | 3725 |
| Unión Carrizal | city | Chiapas | Mexico | 15.63 | -93.30 | 62 | 2533 |
| Unión Comunitaria Los Laureles | city | Guanajuato | Mexico | 21.17 | -101.63 | 6197 | 142829 |
| Unión Comunitaria de León | city | Guanajuato | Mexico | 21.15 | -101.65 | 6046 | 150196 |
| Unión Guadalupe | city | Chiapas | Mexico | 16.20 | -92.31 | 2509 | 3413 |
| Unión Hermosillo | city | Chiapas | Mexico | 15.30 | -92.55 | 1669 | 7731 |
| Unión Hidalgo | city | Oaxaca | Mexico | 16.47 | -94.83 | 75 | 15812 |
| Unión Hidalgo | city | Chiapas | Mexico | 17.36 | -92.60 | 2509 | 11095 |
| Unión Juárez | city | Chiapas | Mexico | 15.06 | -92.08 | 4265 | 15640 |
| Unión Juárez | city | Oaxaca | Mexico | 16.71 | -96.00 | 3349 | 1341 |
| Unión Juárez | city | Chiapas | Mexico | 17.39 | -92.63 | 830 | 10184 |
| Unión Juárez | city | Chiapas | Mexico | 16.13 | -91.93 | 5219 | 5309 |
| Unión Juárez | city | Chiapas | Mexico | 17.28 | -92.40 | 4189 | 11004 |
| Unión Juárez | city | Chiapas | Mexico | 16.12 | -93.56 | 4593 | 1490 |
| Unión Juárez | city | Chiapas | Mexico | 15.50 | -92.40 | 5869 | 6923 |
| Unión Juárez San Pedro | city | Oaxaca | Mexico | 16.74 | -95.99 | 3713 | 1341 |
| Unión Letero | city | Chiapas | Mexico | 15.50 | -92.45 | 5029 | 6919 |
| Unión Linda Vista | city | Oaxaca | Mexico | 16.35 | -97.76 | 944 | 3427 |
| Unión Mexicana | city | Chiapas | Mexico | 15.02 | -92.27 | 1669 | 36135 |
| Unión Miramar | city | Chiapas | Mexico | 14.94 | -92.35 | 377 | 33475 |
| Unión Modelo | city | Durango | Mexico | 24.55 | -105.54 | 7654 | 786 |
| Unión Moderna | city | Veracruz | Mexico | 18.81 | -97.19 | 4333 | 37294 |
| Unión Obrera | city | Veracruz | Mexico | 18.85 | -97.11 | 4189 | 72359 |
| Unión Obrera Campesina | city | Veracruz | Mexico | 18.84 | -97.14 | 4189 | 78771 |
| Unión Paz y Progreso | city | Oaxaca | Mexico | 17.40 | -97.52 | 7923 | 1671 |
| Unión Puyucum | city | Chiapas | Mexico | 17.10 | -92.51 | 1669 | 9173 |
| Unión Roja | city | Chiapas | Mexico | 15.05 | -92.22 | 1906 | 28888 |
| Unión San Lucas | city | Chiapas | Mexico | 15.51 | -92.32 | 5869 | 7018 |
| Unión Segunda Sección | city | Tabasco | Mexico | 18.43 | -93.36 | 3 | 14748 |
| Unión Villaflores | city | Chiapas | Mexico | 15.29 | -92.39 | 2509 | 7542 |
| Unión Y Progreso | city | Chiapas | Mexico | 16.67 | -92.93 | 1696 | 5767 |
| Unión de Cárdenas | city | Oaxaca | Mexico | 17.28 | -98.01 | 6233 | 5513 |
| Unión de Guadalupe | city | Jalisco | Mexico | 20.57 | -102.70 | 5249 | 3745 |
| Unión de Guadalupe | city | Michoacan de Ocampo | Mexico | 20.32 | -101.96 | 5416 | 27209 |
| Unión de Liebres | city | Guanajuato | Mexico | 20.64 | -101.18 | 5869 | 43217 |
| Unión de Rodríguez | city | Durango | Mexico | 24.22 | -105.04 | 7857 | 894 |
| Unión de San Diego (San Dieguillo) | city | Guanajuato | Mexico | 20.86 | -101.44 | 5869 | 24413 |
| Unión de Tres Mezquites | city | Guanajuato | Mexico | 20.87 | -101.44 | 5869 | 27833 |
| Unión de Tula | city | Jalisco | Mexico | 19.96 | -104.27 | 4504 | 11285 |
| Unión y Libertad | city | Oaxaca | Mexico | 16.43 | -97.80 | 1082 | 2372 |
| Unión y Progreso | city | Durango | Mexico | 25.23 | -104.98 | 6079 | 298 |
| Unión y Progreso | city | Chiapas | Mexico | 16.48 | -93.32 | 2624 | 5215 |
| Unión y Progreso | city | Oaxaca | Mexico | 17.27 | -97.59 | 7595 | 8504 |
| Unión y Progreso | city | Oaxaca | Mexico | 17.00 | -97.75 | 4593 | 5629 |
| Unión y Progreso | city | Chiapas | Mexico | 15.91 | -93.50 | 318 | 0 |
| Unión y Progreso | city | Baja California Sur | Mexico | 27.62 | -113.37 | 249 | 149 |
| Unión y Progreso | city | Veracruz | Mexico | 18.80 | -97.18 | 4517 | 36680 |
| Unión y Progreso | city | Veracruz | Mexico | 18.87 | -97.11 | 4297 | 67839 |
| Unión y Progreso | city | Zacatecas | Mexico | 22.12 | -101.98 | 6778 | 5843 |