| Isthmus | Connects | Country |
|---|---|---|
| Isthmus of Panama | North & South America | Panama |
| Isthmus of Suez | Africa & Asia | Egypt |
| Isthmus of Kra | Malay Peninsula & mainland | Thailand |
| Isthmus of Corinth | Peloponnese & mainland Greece | Greece |
| Isthmus of Perekop | Crimean Peninsula & mainland | Ukraine |
An isthmus is a narrow land bridge between two larger landmasses, often strategically vital for trade and defense.