The Rijeka Archdiocese serves as the spiritual and administrative center of the Catholic Church in the Primorje-Gorski Kotar County, gathering local Catholics under the patronage of Saint Vid. Led by Archbishop and Metropolitan Mate Uzinić, the Archdiocese offers a wide range of services including liturgical celebrations, pastoral activities, and community outreach programs. It emphasizes spiritual growth through sermons, letters, and various liturgical events, fostering community engagement and support among its members.

The Archdiocese also hosts Mediteranean theological meetings aimed at theological students and graduates, and promotes charitable activities through its churches and religious communities. It provides news updates, mass schedules, and resources for spiritual education. With a commitment to sharing and serving, the Rijeka Archdiocese invites participation in its vibrant community life, reflecting the core values of love and charity as inspired by the teachings of Jesus Christ. Through its initiatives, it reinforces the importance of communion and support within the Church and society.