The Roman Catholic Diocese of Warsaw is a significant ecclesiastical territory in Poland, part of the larger Roman Catholic Church. Established in the 12th century, it serves as a central hub for Catholic worship and administration in the capital city of Warsaw. The diocese is responsible for overseeing numerous parishes, schools, and charitable organizations within its jurisdiction. The diocese is led by a bishop, currently Bishop Rafał Markowski, who oversees the spiritual and administrative needs of the Catholic community. It plays a vital role in promoting the teachings of the Catholic faith and engaging in various social and cultural activities throughout the region.