Hello Me and my friend are planning a trip around Italy, Slovenia and Croatia in June. Our trip will be as follows:

Venice to Trieste 

Trieste to Ljubljana 

Ljubljana to Zagreb 

Zagreb to Split 

I have put this route on the interrail map and it is suggesting a 5 day pass, however I thought it would be only 4 days. Please get in touch if you know the reason for this. Thanks in advance, Lizzie :)