You can check the general visa regime for entering Montenegro by a specific country at the following link:

• • Montenegro’s visa regime for foreign citizens

Special regimes for entering Montenegro:

In exception to the above defined rules, Montenegro can also be entered without a visa if the traveler is:

• • A third-country citizen with a permanent residence in a member state of the Member State of European Union (max. 90 days)
  • A third-country citizen with a residence permit in a Shengen country, USA, UK, Australia, Bulgaria, Croatia, Japan, Canada, New Zeland, Ireland, Romania (max. 30 days)
  • Holders of business travel documents issued by members of APEC (max. 30 days)
  • a holder of other applicable travel documents issued by Member States of the European Union, state union of Australia, Republic of Iceland, Japan, Canada, New Zealand, the Kingdom of Norway, the United States and Swiss Confederation, or based on the Convention on the legal position of refugees from 1951 or on the Convention on the legal position of the person without citizenship from 1954, as well special travel documents for foreigners issued by these countries. (max. 30 days)