By Johann Lukas von Hildebrandt, built 1753, baroque architecture.
The Piarist Church, also known as the Church of Maria Treu, is a Baroque parish church of the Order of the Piarists in Vienna, Austria. It is located in Vienna's 8th district (Josefstadt). The Piaristenkirche was elevated to the rank of Basilica Minor in 1949.
From Wikipedia, CC BY-SA 4.0.
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