Christianity is the predominant religion in Slovakia. The majority (62%) of Slovaks belong to the Latin Church of Catholicism; with the addition of a further 4% of Greek (Byzantine) Catholics, all Catholics account for 66%. Members of a Protestant denomination, mainly Lutheran or Reformed, account for 9%. Members of other churches, including those non-registered, account for 1.1% of the population. The Eastern Orthodox Christians are mostly found in Ruthenian (Rusyns) areas. The Roman Catholic Church divides the country into 8 dioceses including 3 archdioceses in two different provinces. The Slovak Greek Catholic Church is a Metropolitan sui iuris Church with three Eparchies in Slovakia and one in Canada. Generally about one third of church members regularly attend church services.