Serbia sits at the crossroads of Central and Southeast Europe, landlocked but deeply connected. It’s the anchor of the western Balkans — historically, culturally, and strategically.
| Country | Border Length | Key Crossing / Note |
|---|---|---|
| Hungary | ~151 km | Subotica–Szeged rail/road corridor |
| Romania | ~476 km | Danube forms much of the border; Iron Gates gorge |
| Bulgaria | ~318 km | Mountainous; Kalotina–Dragoman crossing |
| North Macedonia | ~221 km | Preševo valley route to Skopje |
| Montenegro | ~203 km | Mountain roads; Adriatic access via Montenegro |
| Bosnia & Herzegovina | ~357 km | Drina River forms long stretch |
| Croatia | ~241 km | Danube & Sava rivers; key EU border |