Amusingly when interrailing many years ago we managed to get on the wrong train at Ljubljana - we intended to go to Vienna but ended up on the overnight train t

Amusingly when interrailing many years ago we managed to get on the wrong train at Ljubljana - we intended to go to Vienna but ended up on the overnight train to Belgrade. The nice thing about an Interrail ticket being that even when you do make such a mistake your ticket is generally still valid!