Moving to Croatia with a dog: the rules, the flight, and the first weeks

What the EU requires at the border

1. Microchip, before the rabies shot

An ISO 11784/11785 microchip, implanted before the rabies vaccination and scanned by the vet before vaccinating. A vaccination given before the chip doesn't count: your dog would need a new shot and a new 21-day wait. If the chip isn't ISO, bring your own reader or have a second, ISO chip implanted.

2. Rabies vaccination, then 21 days

Given at 12 weeks old or more, after the chip, with the microchip number on the rabies record. Your dog can enter the EU 21 days after the primary vaccination is completed. A booster given before the previous one expires needs no new wait; if it lapses even by a day, the next shot counts as a new primary vaccination. One US-specific catch: APHIS says a US primary rabies vaccination is valid only one year under EU rules, even with a three-year vaccine.

3. No rabies blood test, unless you connect through the wrong country

No titre test is needed from the US, Canada, Australia, New Zealand, Chile or Argentina. If you connect through a non-listed country such as Türkiye (Istanbul), your dog needs either a titre test or a declaration you sign that it stayed inside the airport's international zone with no contact with other animals.

4. The EU animal health certificate

Completed by a vet and endorsed by your country's official veterinary authority. It's valid for 10 days from issue until the border check; the US counts from the USDA endorsement, Canada from the vet's signature. It must be in English plus the official language of the EU country where your dog first enters, which is German if you connect in Frankfurt, not Croatian. After the border check it stays valid for EU travel for six months or until the rabies vaccination expires. Certificates issued since 1 October 2026 must use the new EU model.

5. The non-commercial declaration

A short form you sign confirming the move isn't for sale or transfer of ownership, attached to the certificate. Maximum five animals. If someone else travels with your dog, you also sign a written authorisation, and they must travel within five days of you. Under the 2026 rules a dog sent separately as unaccompanied cargo no longer counts as non-commercial.

No tapeworm treatment is needed for Croatia. If the paperwork isn't right, the dog can be returned to its origin country or quarantined at your cost.

From the US: USDA APHIS and the 10-day window

A USDA-accredited veterinarian completes and signs the certificate; accreditation is state-specific, so the vet must be accredited in the state where they practise. The vet submits online through VEHCS (the Veterinary Export Health Certification System), APHIS ink-signs and embosses it, and the original travels with your dog, so use overnight shipping for the return. Endorsement is US$101 per certificate with no lab tests, and free for service dogs of people with disabilities. APHIS publishes no turnaround time and gives no status updates.

You must arrive in the EU within 10 days of the USDA endorsement date, so book the vet appointment to land inside that window.

Restricted breeds

Croatia's Pravilnik o opasnim psima doesn't allow bull-terrier types (pit bull terriers) and their crosses that aren't registered with the FCI to enter, transit or stay. Owners of a Staffordshire Bull Terrier, American Staffordshire Terrier, Bull Terrier or Miniature Bull Terrier should carry the FCI-recognised pedigree. A new dangerous-dogs regulation was being drafted when I checked.

The flight

Cabin or hold

On most European airlines a dog can fly in the cabin only if dog plus carrier weighs 8 kg or less, and the carrier has to fit under the seat (Croatia Airlines, Lufthansa, Austrian, SWISS, KLM, Air France, Turkish Airlines). Emirates and Qatar Airways take no pet dogs in the cabin.

Flat-faced breeds

Bulldogs, French Bulldogs, Pugs, Boston Terriers and Boxers have a higher risk of breathing problems and heat stroke, and Croatia Airlines, Lufthansa, SWISS, KLM, Turkish, Austrian and Air Canada won't carry them in the hold. That leaves the cabin within 8 kg, or cargo. A snub-nosed dog over 8 kg with carrier can't fly as checked baggage on these airlines.

This is how I ended up with my French Bulldog in a KLM cabin via Amsterdam: about 13 to 14 hours door to door with a one-hour layover. He's about 19 to 20 pounds and KLM didn't weigh him, but don't count on that. My vet prescribed trazodone and he slept most of the way; IATA advises against sedating pets for flights, so talk to your own vet.

Crates and connections

There's no such thing as an "IATA-approved" crate; IATA doesn't certify or sell containers. Hold crates follow IATA Container Requirement 1: rigid, room to stand, sit, lie and turn, ventilation on four sides, an externally fillable water container, wheels removed, labelled "Live Animals" and "This Way Up". Book the dog on every flight: Croatia Airlines by phone only, Lufthansa 72 hours ahead, KLM 48 hours. KLM won't carry hold pets if the transfer is three hours or more. Amsterdam Schiphol says it has no dog toilets; Frankfurt has none in the transit areas.

Arriving in Croatia

Pets from outside the EU may enter only through a designated entry point. The airports are Brač, Dubrovnik, Osijek, Pula, Rijeka, Split, Zadar and Zagreb. If your first EU airport is Frankfurt or Vienna, the check happens there instead. Go to the customs (carina) desk and say you're travelling with a dog: customs officers check the certificate and the declaration and scan the chip. Keep the original certificate; it's your dog's EU travel document for the next six months. Photograph every page.

The first weeks

Croatia's Animal Health Act requires every dog to be microchipped and entered in the Croatian pet register, the Upisnik kućnih ljubimaca. An authorised vet enters the data, issues the EU pet passport and vaccinates. Bring the EU certificate, the rabies record and the vaccination history, and ask the vet to register the existing chip. Every dog aged 90 days or more must be kept vaccinated against rabies, with the booster due by the passport's valid-until date; late means a new primary.

A dog designated as dangerous must wear a muzzle (brnjica) and be on a leash (povodac) in public. Zagreb lists 20 off-leash areas, including Jarun, Maksimir-Borongaj, Dubrava and Zelengaj-Tuškanac-Prekrižje-Pantovčak.

The order that works

• 4+ months out: ISO chip check, then the rabies vaccination
• 3 months: weigh the dog in the carrier, check breed rules, choose the route
• 2 months: book the flights and the dog on every leg, by phone; buy the carrier and start training with it
• 4–6 weeks: book the vet and endorsement appointments; confirm 21 days will have passed
• 2 weeks: confirm the vet has the current form in English plus the first EU country's language
• Within 10 days before arrival: vet exam, certificate, endorsement, declaration
• Travel day: originals in your hand luggage
• First weeks: Croatian vet, registration, pet passport

Questions people ask

Moving with a cat? The cat workbook follows the same structure. And once you've landed, First 90 Days in Croatia covers your own paperwork in the order it needs to happen.