In Roman Catholicism, the term national church can refer to the church claiming pastoral oversight over a specific country (for which concept see national church

National church

National church is a concept of a Christian church associated with a specific ethnic group or nation state. The idea was notably discussed during the 19th century, during the emergence of modern nationalism....

), but more often to either a parish

Parish

A parish is a territorial unit historically under the pastoral care and clerical jurisdiction of one parish priest, who might be assisted in his pastoral duties by a curate or curates - also priests but not the parish priest - from a more or less central parish church with its associated organization...

 catering to immigrants from another nation, or to a church building in Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

 dedicated to a specific country. Such national churches may hold church services and other activities in that nation's language, and/or following that nation's liturgies, which may be slightly different from the liturgy approved by the local episcopal conference

Episcopal Conference

In the Roman Catholic Church, an Episcopal Conference, Conference of Bishops, or National Conference of Bishops is an official assembly of all the bishops of a given territory...

.