Does InterRent require an IDP in Bulgaria?
Written by Daniel MercerUpdated July 2026
InterRent in Bulgaria: the policy in plain terms
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Bulgaria drives on the right and uses Cyrillic signage, so non-EU visitors should carry an IDP to translate their licence for desks and police.
In Bulgaria specifically, many rental companies and local authorities in Bulgaria ask foreign drivers to present a translation of their licence alongside the original, so InterRent will typically ask for it at the counter. An e-vignette is needed for highways; desks request an IDP for non-EU licences.
InterRent runs a europe network; at its Bulgaria desks, foreign renters are asked for an International Driving Permit in the 1949 Geneva and 1968 Vienna Convention format alongside the original licence. Bulgaria drives on the right, uses the BGN, and sets a minimum driving age of 18, so an IDP is the document that removes any doubt at the counter.
What to bring to the InterRent counter in Bulgaria
- Your original national driving licence (the IDP never replaces it).
- Your International Driving Permit in the 1949 Geneva and 1968 Vienna Convention format.
- Your passport and a payment card in the main driver's name.
- Local payment for the BGN deposit; Bulgaria drives on the right with a young-driver surcharge under 25.
Driving rules in Bulgaria InterRent renters should know
- Electronic vignette required on national roads.
- Headlights on day and night.
- 0.05% alcohol limit.
- Reflective vest and triangle mandatory.
InterRent's rental terms that affect your IDP booking
InterRent's minimum rental age is typically 19-21 depending on country (19 in Spain, 21 in the UK and France), and drivers aged roughly 21-24 (24 and under in some markets) pay a young-driver surcharge that varies by location, for example around 8.50 EUR/day (max ~93 EUR) in Spain, 12.95 EUR/day (max ~181 EUR) in France, and about 35 GBP/day (max ~350 GBP) in the UK; some vehicle categories require drivers to be over 25.
A refundable security deposit is pre-authorised (held, not debited) on the main driver's credit card at pick-up; the card (Visa or Mastercard, sometimes Amex) must be in the main driver's name with an expiry date after the return date, and debit cards are not accepted because their rules do not fit InterRent's deposit policy.
Additional drivers must present their own valid driving licence at the counter and sign the rental agreement at pick-up; InterRent charges an extra-driver fee per day that varies by location, though it is frequently included in promotional/package rates. The main driver must have held a full, valid driving licence for a minimum of 12 months (one year) prior to picking up the vehicle.
Cross-border travel and one-way rentals are restricted and must be authorised in advance; cross-border fees and one-way drop-off charges apply and vary by route, with certain countries (typically higher-risk or non-EU destinations) excluded entirely under the rental conditions.
InterRent requires a full, valid driving licence held for at least 12 months; for licences not written in the Latin/Roman alphabet (or otherwise not understandable to the rental agent), an International Driving Permit (IDP) must be presented alongside the original national licence, as the IDP is a translation and never replaces the physical licence.
Once you collect the keys in Bulgaria
Motorways and main roads require an electronic e-vignette tied to the number plate (no sticker); buy it online at bgtoll.bg, via app or at terminals/petrol stations before driving. Cars up to 3.5t pay about 15 leva weekend/weekly, 30 leva monthly or 97 leva annually, and a few bridges/tunnels have separate tolls.
Sofia uses Blue Zone (centre, ~2 euros/hr) and Green Zone (~1 euro/hr) paid parking, payable by SMS to 1302 (blue) or 1303 (green) with the plate, or via apps like URBO; overstaying risks a wheel clamp or tow, so confirm coverage of foreign-plated cars.
Police impose on-the-spot fines for speeding, phone use and no seatbelt; electronic speed-camera tickets carry a discount if paid within 14 days, and rental firms pass camera fines to the hirer along with an admin fee.
Call 112. For anything beyond trivial damage Bulgarian police (KAT) should attend and issue a report (protokol), which insurers and rental firms require; do not leave the scene, and use the warning triangle and hazard lights.
Full driving guide for Bulgaria →