The Primatial Basilica of the Blessed Virgin Mary taken into heaven and St Adalbert 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 Saint Mary the Assumption and Saint Adalbert.

It is the largest Church structure in Hungary and the third largest in Europe.