| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Senec | city | Stredocesky Kraj | Czech Republic | 50.07 | 13.71 | 1669 | 15190 |
| Senec | city | Plzensky Kraj | Czech Republic | 49.80 | 13.42 | 1164 | 56322 |
| Senec | city | Bratislavsky | Slovakia | 48.22 | 17.40 | 413 | 20646 |
| Senec,Szenc | city | Bratislavsky | Slovakia | 48.22 | 17.40 | 413 | 20646 |
| Seneca | city | Chihuahua | Mexico | 31.72 | -106.38 | 3687 | 181257 |
| Seneca | city | Tacna | Peru | -17.49 | -69.57 | 13756 | 149 |
| Seneca | city | Arizona | United States | 33.76 | -110.51 | 5029 | |
| Seneca | city | Florida | United States | 28.87 | -81.60 | 72 | |
| Seneca | city | Illinois | United States | 41.31 | -88.61 | 830 | |
| Seneca | city | Iowa | United States | 43.30 | -94.38 | 1217 | |
| Seneca | city | Kansas | United States | 39.83 | -96.06 | 1151 | |
| Seneca | city | Maryland | United States | 39.08 | -77.34 | 200 | |
| Seneca | city | Michigan | United States | 41.79 | -84.18 | 830 | |
| Seneca | city | Mississippi | United States | 31.04 | -89.44 | 305 | |
| Seneca | city | Missouri | United States | 36.84 | -94.61 | 895 | |
| Seneca | city | Nebraska | United States | 42.04 | -100.83 | 3349 | |
| Seneca | city | New Mexico | United States | 36.63 | -103.13 | 5029 | |
| Seneca | city | Oregon | United States | 44.13 | -118.97 | 5029 | |
| Seneca | city | Pennsylvania | United States | 41.38 | -79.70 | 1669 | |
| Seneca | city | South Carolina | United States | 34.69 | -82.95 | 898 | |
| Seneca | city | South Dakota | United States | 45.06 | -99.51 | 1893 | |
| Seneca | city | Virginia | United States | 37.09 | -79.13 | 830 | |
| Seneca | city | Wisconsin | United States | 43.26 | -90.96 | 1190 | |
| Seneca | city | Michigan | United States | 47.31 | -88.36 | 1049 | |
| Seneca | city | California | United States | 40.11 | -121.08 | 4189 | |
| Seneca | city | West Virginia | United States | 39.64 | -79.96 | 859 | |
| Seneca | city | Florida | United States | 28.05 | -82.46 | 26 | |
| Seneca Castle | city | New York | United States | 42.89 | -77.10 | 830 | |
| Seneca Chase | city | Maryland | United States | 39.14 | -77.40 | 347 | |
| Seneca Falls | city | New York | United States | 42.91 | -76.80 | 830 | |
| Seneca Gardens | city | Kentucky | United States | 38.23 | -85.68 | 830 | |
| Seneca Heights | city | New York | United States | 42.07 | -78.43 | 1669 | |
| Seneca Highlands | city | Maryland | United States | 39.11 | -77.29 | 396 | |
| Seneca Hill | city | New York | United States | 43.40 | -76.47 | 383 | |
| Seneca Knolls | city | New York | United States | 43.12 | -76.29 | 830 | |
| Seneca Lake Estates | city | Ohio | United States | 39.92 | -81.39 | 997 | |
| Seneca Landing | city | South Carolina | United States | 34.64 | -82.91 | 830 | |
| Seneca Manor Mobile Home Park | city | New York | United States | 42.89 | -76.80 | 830 | |
| Seneca Mills | city | New York | United States | 42.66 | -77.01 | 830 | |
| Seneca Mobile Home Park | city | Louisiana | United States | 30.31 | -91.24 | 3 | |
| Seneca Mobile Home Park | city | Kansas | United States | 39.83 | -96.06 | 1138 | |
| Seneca Overlook | city | Maryland | United States | 39.26 | -77.15 | 830 | |
| Seneca Park | city | Maryland | United States | 39.32 | -76.37 | 3 | |
| Seneca Park | city | Maryland | United States | 39.17 | -77.23 | 400 | |
| Seneca Quapaw Agency (historical) | city | Missouri | United States | 36.90 | -94.61 | 1026 | |
| Seneca Rocks | city | West Virginia | United States | 38.83 | -79.38 | 1971 | |
| Seneca Springs | city | Maryland | United States | 39.27 | -77.19 | 830 | |
| Seneca Upland | city | Maryland | United States | 39.25 | -77.16 | 830 | |
| Seneca Village (historical) | city | New York | United States | 40.78 | -73.96 | 98 | |
| Senecas | city | Bratislavsky | Slovakia | 48.22 | 17.40 | 413 | 20646 |
| Senecaville | city | Ohio | United States | 39.93 | -81.46 | 830 | |
| Senechas | city | Languedoc-Roussillon | France | 44.32 | 4.00 | 1669 | 2155 |
| Senechat | city | Sid | Haiti | 18.33 | -73.75 | 830 | 29800 |
| Senechiv | city | Ivano-Frankivs'ka Oblast' | Ukraine | 48.73 | 23.59 | 2782 | 3964 |
| Senechkina | city | Novosibirskaya Oblast' | Russia | 54.84 | 82.45 | 830 | 298 |
| Senechov | city | Ivano-Frankivs'ka Oblast' | Ukraine | 48.73 | 23.59 | 2782 | 3964 |
| Seneciyan | city | Slemani | Iraq | 36.04 | 45.02 | 1850 | 4817 |
| Senecká | city | Stredocesky Kraj | Czech Republic | 50.03 | 13.93 | 1138 | 3644 |
| Senecu | city | Chihuahua | Mexico | 31.72 | -106.38 | 3687 | 181257 |
| Seneczów | city | Ivano-Frankivs'ka Oblast' | Ukraine | 48.73 | 23.59 | 2782 | 3964 |