Klagenfurt Cathedral - Catholic Church of Saints Peter and Paul, located in the Austrian city of Klagenfurt. The church, which originally had a different name - the Holy Trinity Church was built in 1578 and immediately became a meeting place for the Protestants. However, during the Counter-Reformation in 1600 the population of Klagenfurt has returned to the bosom of the Catholic Church. Four years later, the church was re-consecrated in honor of the Apostles Peter and Paul, and handed over to the Jesuits. After that, in its architecture, there have been some changes: in the interior of the church appeared stucco, were built chapel in the northern and southern parts, a new altar. In 1665, a chapel was built Francis Xavier, there was the tomb of the Orsini-Rosenberg family in the southern part of the church.

In 1787, the department moved to the diocese of Gurk Klagenfurt, made the Church of Peter and Paul Cathedral, the entire diocese.

While still a Protestant temple closely side by side with the hospital. During the Second World War, the hospital suffered a lot, and in 1964 was completely destroyed and became highly visible dilapidated facade of the cathedral. The city authorities have announced a competition, which was won by the architect Ewald Kaplanerm in 1973, which carried out the work on the arrangement of the facade.

The interior of the temple of particular interest is the main altarpiece, painted by Daniel Gran in 1752. In the sacristy of the church kept the last work of Martin Johann Schmidt. Painted arches held Fromller Joseph, and the author of a stucco gallery Kilian Pittner. In numerous moldings temple perfectly combines elements of various architectural styles.