The Principality of Montenegro (Serbian: Књажевина Црнa Горa/Knjaževina Crna Gora) was a former realm in Southeastern Europe that existed from 13 March 1852 to 28 August 1910.
Montenegro vürstiriik (serbia: Књажевина Црнa Горa / Knjaževina Crna Gora) oli endine riik Kagu-Euroopas, mis eksisteeris 13. märtsist 1852 kuni 28. augustini 1910.