Can a Japanese Driver Use Their Licence in Bulgaria? — IDP + the Vignette Trap

If you are flying in from Japan and renting a car in Bulgaria, the licence question is the simple part. The two things that actually go wrong for Japanese visitors are the side of the road and a piece of paper you cannot see on the tarmac.

The licence verdict

A Japanese licence is fine for a tourist trip, but Japan sits outside the EU, so an International Driving Permit is the sensible call — rental desks in Sofia and Plovdiv expect it, and a roadside officer would rather read the IDP translation than puzzle over your Japanese card. Sort the IDP in Japan before you leave; you cannot obtain one once you have landed. Carry the IDP, your Japanese licence and your passport as a set.

The mistake nobody warns you about: the vignette

Bulgaria does not have toll booths. It charges through an e-vignette linked to your number plate, and you are expected to have one before you drive on any motorway or main inter-city road. There is no barrier, no kiosk forcing you to stop — so it is genuinely easy to set off without one and rack up a penalty while overhead cameras log your plate. Buy it online or at a petrol station near the border before you join the main network. If you collect a rental, ask the desk whether the vignette is already included; many are, but confirm it rather than assume.

Then the side switch

Japan drives on the left; Bulgaria drives on the right. This is the single adjustment most likely to bite, and the danger window is your first day — joining a roundabout that now flows the other way, or a reflex glance in the wrong direction at a junction. Take your opening half-hour somewhere quiet rather than in Sofia traffic.

Speeds and the rest

Town limit is 50 km/h, open rural roads 90, motorways a fast 140 km/h — higher than you are used to, so the outside lane moves quickly. The drink-drive limit is 0.05, above Japan’s 0.03, but treat it as zero anyway. Drifting 10 km/h over typically costs around EUR 25.56 (≈ €25) on the spot. Away from the new motorways, rural surfaces are rough and unlit at night, so drive to the road rather than the sign.

Check the full rules on our Bulgaria driving guide, confirm your paperwork with the Driving Permit Checker, and estimate any penalty with the Speeding Fine Calculator.

Bulgaria adopted the euro on 1 January 2026. Figures previously published in leva were converted at the fixed statutory rate of 1.95583 leva to the euro.00 to the euro.