Peterskirche
Dome of St. Peter's Church - Peterskirche. Petersplatz.
"A little to the N. of the Graben rises the Church of St. Peter, next to St. Ruprecht's the oldest church in Vienna, founded by Bishop Arno of Salzburg (790-803), and re-erected by Fischer von Erlach in 1702-13."--Baedeker 1909
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