St. Emmeram's Cathedral, Nitra

St. Emmeram's Cathedral is a Roman Catholic cathedral located in Nitra, Slovakia. The entire cathedral is housed in the Nitra Castle precinct, much like Prague Castle.

It was originally built in the Gothic style and is composed of many parts. The upper church dates from 1333 to 1355. The rotunda dates back to the 11th–12th century and houses a silver reliquary made in 1674. Another reliquary in the cathedral houses some relics of Saint Cyril. The lower church was built between 1621 and 1642. Later, the entire cathedral complex was remodelled in the Baroque style.

Saint Emmeram of Regensburg, to whom the cathedral is dedicated, was an itinerant seventh-century bishop who did missionary work from the court of Theodo I, Duke of Bavaria.