Can I take a rental car from Bosnia and Herzegovina into Croatia?

Yes.ba’s FAQ says it supports cross-border travel to Croatia, Montenegro, Serbia and other countries, and asks customers to declare it during booking so paperwork can be prepared. Its terms say cross-border rentals must be approved and documented at booking.

That published policy does not approve your particular vehicle. Write the route in full: “Sarajevo collection → Mostar → Dubrovnik → Mostar → Sarajevo return” makes clear that the car enters Croatia and returns to Bosnia and Herzegovina. Adding Kotor introduces Montenegro. Returning at Dubrovnik Airport is a different request from visiting Dubrovnik and returning the car in Sarajevo.

Ask for written approval covering the route, dates and drivers; all charges; the documents supplied at collection; and how breakdown help, damage cover, theft cover and the excess apply abroad.

For a vehicle registered and insured in Bosnia and Herzegovina, the BiH Green Card Bureau’s outward-travel guidance lists Croatia under the multilateral-agreement system. It says the BiH registration plate is recognised there as evidence of third-party motor insurance. The Bureau nevertheless recommends carrying the Green Card because it presents the insurance details clearly after an accident.

The same guidance says registration and insurance must remain valid for the full stay abroad. These points concern third-party motor insurance for a BiH-registered vehicle. They do not establish the rental company’s permission, damage waiver, theft cover, excess or permitted driver list. Obtain the allocated car’s documents from the supplier; a vehicle registered in another country needs the rules that apply to that registration.

For someone travelling on a full British citizen passport, UK government advice for Croatia says the passport must have been issued less than ten years before arrival and expire at least three months after the planned departure from the Schengen area. Visa-free short visits are limited to 90 days in any 180-day period across Schengen, with earlier Schengen visits included in the count.

That is a passport-specific example. Check the Croatian authorities’ rules for each passenger’s nationality, travel document and immigration status, including children. Check the requirements for re-entering Bosnia and Herzegovina as well. A UK residence permit alone does not establish British citizenship or Croatian entry rights.

Drivers must also carry the correct licence and permit. The driver-document guide explains the 1968 IDP requirement for a UK licence holder using a locally hired car in Bosnia and Herzegovina.

Permission to drive into Croatia does not automatically include permission to leave the car there. If you want a Dubrovnik or other foreign return, request that exact location and all one-way terms. The different-city return guide covers the cost and handover comparison; the cross-border approval still needs to be added.

Keep the written permission, vehicle documents, insurance details and passenger travel documents together for the journey.