Cross-Border Car Rental from Herceg Novi The Green Card Myth Documents to Carry at Any Border Herceg Novi → Croatia: No Ferry Needed Herceg Novi → Bosnia: The Trebinje Run Albania & Kosovo: The Exceptions Cross-Border Fees by Company Frequently Asked Questions Croatia Not required Multilateral Agreement — plate proves insurance Bosnia & Herzegovina Not required Same subsystem — no Green Card by law Serbia Not required Multilateral Agreement — 0.03% alcohol limit + vignette Albania Required Green Card mandatory; ~€15/14 days at Božaj if not provided Kosovo Special case Outside Green Card system — border TPL ~€15/15 days; often banned Do I need a Green Card to drive my Herceg Novi rental into Croatia? No. Montenegro's plates are recognised under the Multilateral Agreement's license-plate subsystem, so no physical Green Card is required for Croatia. You still need your rental company's written cross-border authorization and usually a commercial cross-border fee — verify the amount at booking. Which crossing is closest from Herceg Novi to Croatia? Debeli Brijeg / Karasovići, about 15 km and 25 minutes away, open 24/7. Vitaljina / Kobila is a passenger-car-only alternative that can move faster in peak season since it skips buses and trucks. Do I need the Lepetane–Kamenari ferry to reach Croatia from Herceg Novi? No. That ferry matters for drivers starting in Kotor or Budva, who need it to reach the west side of the bay. Herceg Novi is already on that side, so you drive straight to the border without it. How do I get from Herceg Novi to Trebinje, Bosnia? Via the Sitnica / Zupci crossing, roughly 40 km and 50 minutes. Since April 2025 it operates as a joint Montenegro–Bosnia border post — one combined document check instead of two separate stops, so it is generally faster than before. Is a Green Card required for Bosnia and Herzegovina? No. Bosnia is covered by the same plate-recognition subsystem as Croatia and Serbia, so your Montenegro plates satisfy the insurance check. Bring the original registration and written authorization regardless. Can I drive my rental car into Kosovo? Check with your rental company first — many prohibit it outright (Europcar and Stella Car both do). If permitted, Kosovo is outside the Green Card system and border third-party insurance runs about €15 for 15 days — treat that as indicative and confirm at the crossing. What is the most common reason rental cars get turned back at the border? Presenting a copy, scan, or phone photo of the vehicle registration instead of the original. Border police at Debeli Brijeg and Sitnica / Zupci reject non-original registration routinely — carry the physical original every time. Cross-Border Car Rental from Herceg Novi: Croatia and Bosnia 2026 Cross-Border Car Rental from Herceg Novi Montenegro's western gateway to Croatia and Bosnia — no ferry needed · Last updated: July 2026 Pick up your car in Herceg Novi and you are in the best-placed town in Montenegro for a border run. This is the country's western gateway: the Croatian frontier is a short hop up the coast, and the road into Bosnia via Trebinje climbs out of town the other way. Neither route needs the Lepetane–Kamenari ferry that Kotor and Budva drivers plan around — Herceg Novi already sits on the correct side of the Bay of Kotor. The short answer to "can I take my rental across the border": yes, in most cases, provided your rental company has given you written cross-border authorization and, for some destinations, charged a cross-border fee. Without that paperwork you can be turned back regardless of what your insurance actually covers. The Green Card Myth Not required for Croatia, Bosnia or Serbia — only Albania A lot of rental advice repeats that you need a Green Card to leave Montenegro. For most routes from Herceg Novi that is not accurate. Montenegro is part of the Multilateral Agreement license-plate subsystem: for Croatia, Bosnia and Serbia, your Montenegro number plate itself is accepted as proof of insurance. The cross-border fee your company charges is a commercial surcharge that extends your CDW and theft cover abroad — not a border tax. Albania is the one country where a Green Card is genuinely mandatory; Kosovo is outside the system entirely. Country Green Card Detail Documents to Carry at Any Border Original vehicle registration — not a copy, scan or phone photo. Border police reject copies routinely, and this is the single most common reason rental cars get turned back. Ask the desk for the physical original before you leave Herceg Novi. Rental agreement + written cross-border authorization naming the countries you are allowed to enter — a generic contract without this clause is not enough. Passport — Croatia is in the Schengen area, so the EU's Entry/Exit System (EES) biometric checks now apply for non-EU travellers; budget a little extra time at that queue. Herceg Novi → Croatia: No Ferry Needed Debeli Brijeg is ~15 km away; skip the bay ferry entirely Kotor and Budva drivers must cross the Bay of Kotor by ferry before reaching the road to Croatia. From Herceg Novi you skip that step — you are already on the correct side of the bay. Debeli Brijeg / Karasovići is the main crossing, about 15 km and 25 minutes from town, open 24/7. In July–August, midday queues (10:00–14:00) can stretch 2–5 hours; off-season the same crossing clears in 15–30 minutes. Cross before 08:00 or after 20:00 in summer. Vitaljina / Kobila is a passenger-car-only crossing open 24/7. Because it takes no buses or trucks, it can be noticeably faster than Debeli Brijeg during the peak-summer crush — a useful fallback if traffic is backed up. Herceg Novi → Bosnia: The Trebinje Run ~40 km via the Sitnica / Zupci joint border post (since April 2025) Inland from Herceg Novi lies Trebinje in Bosnia — a genuinely easy day trip. The route runs via the Sitnica / Zupci crossing, about 40 km and 50 minutes away. Since April 2025 it operates as a joint border post: Montenegrin and Bosnian officials process you at a single stop instead of two, which means one document check, one queue and generally shorter waits. Same rules as Croatia — no Green Card required, original registration mandatory, written authorization from your company. Pushing on to Mostar is possible but longer (~120 km) — plan it as a full day. Albania & Kosovo: The Exceptions The two genuine exceptions to the "just bring your registration" rule Albania is the one country where the Green Card is legally mandatory. If your company does not issue one, you can buy it at the Božaj / Hani i Hotit crossing for roughly €15 / 14 days — but not at every crossing point. Kosovo is outside the Green Card system altogether. Border-purchased third-party insurance from the Kosovo Insurance Bureau runs about €15 for 15 days, but many companies (Europcar, Stella Car) ban Kosovo outright — verify before you plan a leg there. Cross-Border Fees by Company Indicative, Summer 2024 — confirm the exact figure and country list at booking Company Cross-border fee Notes Expect roughly €25–€70 flat, or ~€6/day capped near €60. Ask your Herceg Novi desk for the exact figure and country list in writing before you leave the lot. For traffic laws and IDP rules, see our driving in Montenegro guide.