The (Roman) Catholic Church in Montenegro only comprises two Latin dioceses, one of which is an exempt archdiocese, which has no ecclesiastical province.
It has no national episcopal conference, but its episcopate participates in the International Episcopal Conference of Saints Cyril and Methodius, jointly with fellow former-Yugoslavian Balkan countries Kosovo, Macedonia and Serbia (not Croatia or Slovenia, which have a national conference each).
There is no Eastern Catholic or pre-diocesan jurisdiction.
There is also an Apostolic Nunciature to Montenegro as papal diplomatic representation (embassy level), which is however vested in the Apostolic Nunciature to Bosnia and Herzegovina (in its capital Sarajevo).
All six defunct dioceses in Montenegro have been nominally restored as Latin Titular sees :