The Austrian Postal Savings Bank building (German language: Österreichische Postsparkasse) is a famous building in Vienna, designed and built by the architect Otto Wagner. The building is regarded as an important work of Vienna Secession, branch of Art Nouveau.
It was constructed between 1904 and 1906 using then completely new reinforced concrete, and was opened on 17 December 1906. Extension was added between 1910 and 1912.
The building houses the headquarters of the Österreichische Postsparkasse (P.S.K.) bank, formerly the k.k. Postsparcassen-Amt (Imperial-Royal Postal Savings Office). It is located at Georg-Coch-Platz 2, in the first district Innere Stadt, next to the Ringstraße boulevard