The Ecclesiastical Province of Gniezno is a significant religious jurisdiction in Poland, centered around the city of Gniezno. It is one of the oldest ecclesiastical provinces in the country, established in the 11th century. The province includes several dioceses, which are responsible for overseeing the Catholic Church's activities in their respective regions. The province is historically important as it was the first archdiocese in Poland, with Saint Adalbert as its patron. The Archbishop of Gniezno holds a prominent position within the Polish Catholic Church, often serving as a key figure in national religious matters and representing the Church in various capacities.