The Primatial Basilica of the Blessed Virgin Mary Assumed Into Heaven and St Adalbert (Hungarian: Nagyboldogasszony és Szent Adalbert prímási föszékesegyház), also known as the Esztergom Basilica is an ecclesiastic basilica in Esztergom, Hungary, the mother church of the Archdiocese of Esztergom-Budapest, and the seat of the Catholic Church in Hungary. It is dedicated to the Saint Mary of the Assumption and Saint Adalbert. It is the largest church and the tallest building in Hungary. - (via: Wikipedia)