The church on Béla tér, one of the largest single-naved churches in Hungary, was built by Johann Joseph Thalherr (architect of the Eszterházy Palace in Bratislava), in 1802-05 in Rococo style. The ceiling paintings are by G. Darlach.
The design for this beautiful classical building with Doric columns and a central ressaut (1828-33) on Béla ter is by Mihály Pollack (1773-1855). In the courtyard the ruins of a Romanesque Benedictine monastery church, built by King Béla I in 1061, were discovered in the Seventies. Numerous medieval documents together with letters from Liszt are stored in the archives.