The Immaculate Conception Cathedral (Serbian: Катедрала Безгрешног Зачећа, romanized: Katedrala Bezgrešnog Začeća) in Bar, Montenegro is one of two Roman Catholic cathedrals in Montenegro. It is the seat of the Roman Catholic Archdiocese of Bar, which aside from the Bay of Kotor and the Municipality of Budva covers the rest of Montenegro. The Archdiocese of Bar was originally formed as a diocese in the 10th century when it split off from the Archdiocese of Split-Makarska, it subsequently became an Archdiocese in 1034. The current building serves as a cathedral since 1828.