Erected on 25 March 1992 by Pope John Paul II by the bull Totus Tuus Poloniae populus. The capital of the diocese is Elbląg with the Cathedral of St. Nicholas, the Co-Cathedral of St. John the Evangelist in Kwidzyń and the Co-Cathedral of St. Wojciech/Adalbert in Prabuty. The patron saints of the diocese are St. Wojciech/Adalbert, bishop and martyr, Bl. Dorothy of Montau, and St. Maximilian Maria Kolbe.