The Roman Catholic Church in Hungary is composed of:
There is also an Apostolic nunciature, the papal diplomatic representation in Hungary.
directly subject to the Holy See
There is no titular see.
All former jurisdictions have a current successor.
The Hungarian Greek Catholic Church or Hungarian Byzantine Catholic Church is a metropolitan sui iuris ("autonomous") Eastern Catholic particular church in full communion with the Catholic Church. It is headquartered in Debrecen. Its liturgical usage is that of the Byzantine Rite in the Hungarian language.
The Hungarian (Greek) Catholic Archeparchy of Hajdúdorog is a Metropolitan archeparchy of the Hungarian Greek Catholic Church.
A particular church is an ecclesiastical community of faithful headed by a bishop, as defined by Catholic canon law and ecclesiology. A liturgical rite, a collection of liturgies descending from shared historic or regional context, depends on the particular church the bishop belongs to. Thus "particular church" refers to an institution, and "liturgical rite" to its ritual practices.
The Ordinariate for Eastern Catholics in Poland is the Ordinariate for Eastern Catholic faithful for the members of non-Latin rite-specific particular churches sui iuris in Poland, excepting Ukrainian Greek Catholic Church, which had its own church structure and Catholic Church of the Byzantine-Slavic rite, emerged in a Roman Catholic structure.