Locum Beati Petri was a papal bull issued by Pope Leo XII on 30 June 1828, reorganizing the ecclesiastical jurisdiction in Dalmatia.
[1] The bull degraded the Archdiocese of Split to the level of a diocese.
The diocese became subject of the Archdiocese of Zadar which was proclaimed seat of the Dalmatian ecclesiastical province.
[2][3] The Archdiocese of Dubrovnik was also degraded to the level of a diocese.
The Diocese of Poreč was merged with the Diocese of Pula creating Diocese of Poreč-Pula.