| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Istmia | city | Choco | Colombia | 5.16 | -76.68 | 285 | 18420 |
| Istmina | city | Choco | Colombia | 5.16 | -76.68 | 285 | 18420 |
| Istmino | city | Choco | Colombia | 5.16 | -76.68 | 285 | 18420 |
| Istmito | city | Bocas del Toro | Panama | 9.35 | -82.25 | 3 | 2404 |
| Istmo | city | Oaxaca | Mexico | 15.99 | -96.10 | 2509 | 1403 |
| Istmo Fitz Carral | city | Madre de Dios | Peru | -11.82 | -71.80 | 1669 | 55 |