Parish Church in Linz is one of the oldest Catholic churches in Upper Austria. It was built in the 13th century in the style of a three-nave Romanesque basilica. However, in the 17th century it was rebuilt in the Baroque style. The opening took place in 1656.

The interior of the church is very rich, a lot of detail in the Baroque style. The main altar was created in 1771 by Matthias Ludwig and Johann Kaspar Modler KRINNER. The side altars of the church are decorated by Bartolomeo Altomonteo and Joachim Sandrartom. One of his last works - Ceiling fresco of "The Triumph of Religion." Floriani Altarpiece painted in 1860, shows a historic view of Linz in 1694. The painting of the parish church is easily recognizable by its former Baroque dome. The church is an urn in which the ashes of the Emperor Frederick III, who died in 1493 at his residence in the city of Linz.

The bell tower, 82 meters high, preserved from the Baroque period, is still the third highest tower in Upper Austria.

Next to the church is a memorial stone in memory of the composer Anton Bruckner, who worked in the church as an organist from 1855 to 1868. Opposite the parish church in Linz is a former Jesuit college (since 1659), which now houses the town post office.

City Parish Church Linz is not only an interesting tourist attraction, but also a valuable architectural monument.