Anecclesiastical region (Latin: regio ecclesiastica) is a formally organised geographical group of dioceses, ecclesiastical provincesorparishes, without a proper Ordinary as such, in Catholic or Protestant Churches.
Apart from historical other uses, there are presently ecclesiastical regions, grouping parts of the extensive episcopate in five Catholic countries.
The equivalent 'apostolic regions' in France, created in 1961, were suppressed in 2004.
The Catholic Church in Italy is divided into 16 ecclesiastical regions. The regions mostly correspond to the 20 civil administrative regions of Italy.
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The regions -covering the federal state(s) in parenthesis- comprise the following ecclesiastical province(s) :
Four regions, each comprising several Latin provinces - Ontario and West also the Eastern Catholic province/eparchies, West also a non-metropolitan Latin archdiocese :
Each region covers one or more ecclesiastical provinces :
The dioceses of the United States are grouped into fifteen regions: fourteen of the regions (numbered I through XIV) are geographically based, for the Latin Catholic dioceses, the Eastern Catholic eparchies (dioceses) constitute the overlapping 'Region' XV.
This is not a geographical region and it does not consist of ecclesiastical provinces. Instead, it consists exclusively of US branches of various, generally Europe- or Asia-based, particular Eastern Catholic Churches. See the Eastern Catholic Churches section (below) for their particular hierarchies.
Ecclesiastical province of the Ruthenian Catholic Metropolitan Church of Pittsburgh
Ecclesiastical Province of Philadelphia
