Sort of a technicality. Driving to Dubrovnik requires a few miles through BiH. Entering BiH all that was checked was the passport. Took 1 minute.
Reentering, no passport check, just waved through.
Back in Croatia and heading for Dubrovnik
Country 1 - Ukraine
https://community.ricksteves.com/travel-forum/general-europe/country-one-entering-ukraine
Country 2 - Turkey
https://community.ricksteves.com/travel-forum/general-europe/country-two-turkey
Country 3 - Croatia
https://community.ricksteves.com/travel-forum/general-europe/country-three-croatia
Country 4 - Bosnia & Herzegovina
https://community.ricksteves.com/travel-forum/general-europe/country-four-bosnia-herzegovina
Country 5 - Montenegro
https://community.ricksteves.com/travel-forum/general-europe/country-four-montenegro