Iitäkatolisten

Iitäkatolisten is a term that historically referred to Eastern Catholic Churches, which are in full communion with the Pope of Rome but follow the liturgical, theological, and spiritual traditions of Eastern Christianity. These churches are distinct from the Latin Church, which is the largest of the particular churches within the Catholic Church. Eastern Catholic Churches originated from communities that were once part of the Eastern Orthodox Church or Oriental Orthodox Church and later reunited with Rome.

The term "Iitäkatolisten" itself is a Finnish word, translating to "Eastern Catholics." The existence of Eastern Catholic Churches represents a unique aspect of Catholic ecclesiology, demonstrating that unity with the successor of Peter can be maintained while preserving diverse Eastern Christian heritage. These churches are found throughout Eastern Europe, the Middle East, and in diaspora communities worldwide.

Each Eastern Catholic Church has its own hierarchy, canon law, and particular traditions, yet they all share the same faith and recognize the authority of the Pope. Examples of Eastern Catholic Churches include the Ukrainian Greek Catholic Church, the Melkite Greek Catholic Church, and the Maronite Church. They are not to be confused with Eastern Orthodox Churches, which are not in communion with the Pope. The presence of Eastern Catholic Churches is a testament to the historical complexities and ongoing dialogue within Christianity.