Irish citizens must have a passport that is valid upon arrival in Montenegro. No visa is required for touristic stays of up to 90 days. If the traveller only has a passport card, the visa-free stay is reduced to 30 days._Visitors are advised to carry their passports on them at all times. Furthermore, visitors must register with the local police within 24 hours of arrival in Montenegro (however, this is done automatically when checking into a hotel or official tourist accommodation). Failure to do so could mean a fine or imprisonment. Travellers must only enter Montenegro through recognised border crossings, and may be required to show proof of a return or onward ticket, the necessary travel documentation for their next destination, and proof of sufficient funds to cover their expenses while in Montenegro. NOTE: It is highly recommended that your passport has at least six months validity remaining after your intended date of departure from your travel destination. Immigration officials often apply different rules to those stated by travel agents and official sources._Note: Passport and visa requirements are liable to change at short notice. Travellers are advised to check their entry requirements with their embassy or consulate.

US citizens must have a passport that is valid upon arrival in Montenegro. No visa is required for touristic stays of up to 90 days.

British citizens must have a passport that is valid upon arrival in Montenegro (or for at least three months beyond the period of intended stay in Montenegro, if their passport is not marked 'British Citizen' or 'British National (Overseas)').

No visa is required for British Citizens and British Nationals (Overseas) for touristic stays of up to 90 days, but British nationals with any other endorsement in their passport should confirm official requirements before travel to Montenegro.

Canadian citizens must have a passport that is valid upon arrival in Montenegro. No visa is required for touristic stays of up to 90 days.

Australian citizens must have a passport that is valid upon arrival in Montenegro. No visa is required for touristic stays of up to 90 days.

South African citizens must have a passport that is valid for at least three months beyond the period of intended stay in Montenegro. A visa is required, except for a max stay of 30 days for holders of a valid visa issued by Ireland, the UK, the US, or a Schengen Member State.

New Zealand citizens must have a passport that is valid upon arrival in Montenegro. No visa is required for touristic stays of up to 90 days.