Postal address:
P.O.Box 25
1015 Wien
Phone: +43 1 534 10-730
E-Mail: esperanto[at]onb.ac.at
Monday to Friday: 9.00 – 13.00
Monday to Wednesday: 9.00 – 16.00
Thursday: 12.00 – 19.00
Friday: 9.00 – 13.00
Special opening hours:
On November 2 only open until 12 p.m.
Closed:
Good Friday, Holy Saturday, Easter Sunday, Whit Sunday, July 25 until August 5, December 24, December 31 and public holidays.
The Department of Planned Languages offers barrier-free access.
We would like to point out that after activation, data may be transmitted to third parties. You can find more info in our Data protection information.
Due to maintenance work, the reading rooms at Heldenplatz and all departments will be closed from Thursday, July 25 to Monday, August 5, 2024.
Due to the shutdown of the ordering system, no media orders can be accepted from Wednesday, July 24, 2024, 4 pm to Friday, August 2, 2024, 4 pm. The first book collection will take place again on Monday, August 5, 2024.
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These cookies are necessary for the basic functions of the website. You can block or delete them in your browser settings, but then there is a risk that some parts of the website will not function properly.
If you activate Matomo, we can analyse your use of our website in order to adapt and further improve our services. The following cookies may be set:
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