Other forms include territorial abbacies, apostolic vicariates and apostolic prefectures. The church has archdioceses and patriarchal vicariates in countries covering six continents. The archdiocese is divided into six vicariates and 31 deaneries. Pope Gregory XVI had divided Oceania into two vicariates apostolic. After the disappearance of Bishop Rouchouze, the three prefectures were elevated into independent vicariates apostolic. It likened the military vicariates to dioceses. Eight are apostolic vicariates and one is an apostolic prefecture. Eastern Catholic (mostly Byzantine Rite) apostolic vicariates are in bold. Similar vicariates apostolic were created for Tahiti and the Marquesas. To facilitate administration these parishes have been grouped under 6 vicariates. The Metropolitanate is divided into vicariates and parishes. Inactive apostolic vicariates (and/or former names, often promoted to diocese) are in "italics". The diocese is divided into two vicariates, each with its respective vicar general. Currently, the archdiocese is divided into 6 vicariates, each headed by a vicar forane. In 1947, the vicariates of England and Ireland became separate provinces.