WAAAAAY back, when Croatia was part of Yugoslavie . . back in 1987, my husband and I rented a car in Macedonia. In Skopje, to be exact. We took 10 days to drive around the countryside, ending in Slovenia (Lubljiana), where we caughtt a train to Germany.
We spent several days on the Dalmation Coast; Sveti Stephan, Split, Dubrovnik, and some others I don't remember. It is beautiful. When we were there, they people were poor, and under the stress of a hard life. I think their lives have improved greatly now.
Be sure you say "Dubrovnik', with the accent on the "Du", not on the "bro".
best of luck! post photos!
I can tell you more about that trip if you want, but it was a long time back, and not all in Croatia.