Montenegrin nationality can be acquired in one of four ways:

1. By origin;
2. By birth in the territory of Montenegro;
3. By admittance
4. Based on international treaties and agreements.

1. Montenegrin nationality by origin is acquired by a child:

– whose both parents are Montenegrin nationals at the moment of the child’s birth;

– whose one parent is Montenegrin national at the moment of child’s birth, and the child was born in Montenegro;

– whose one parent is Montenegrin national at the moment of child’s birth, and the child was born in the territory of another state, if the child is to remain without nationality;

– born in the territory of another state, whose one parent is Montenegrin national at the moment of child’s birth, if an application for entry into the Birth Register and Register of Montenegrin Nationals is submitted by the time the child turns 18 years of age, if the child does not have the nationality of another state;

– person who is 18 years of age, whose one parent is Montenegrin national, and the other parent is the national of another state, if an application for entry into Register of Montenegrin Nationals is submitted by the time child turns 23 years of age;

– in case of a complete adoption, if one of the adoptive parents is Montenegrin national.

2. Montenegrin nationality by birth in the territory of Montenegro shall be acquired by a child born or found in the territory of Montenegro, if both parents are unknown or of unknown nationality or without nationality or if the child is to remain without nationality.

3. Montenegrin nationality by admittance shall be acquired by a person who was granted a permanent residence in Montenegro pursuant to the regulations of the Law on Foreigners, and who is married to a Montenegrin national for at least 3 years and who is granted a permanent residence in Montenegro or a person whose admission to nationality would be of special interest for Montenegro;