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.
Due to an event, the State Hall will close at 6 p.m. on Thursday, October, 24, at 4 p.m. on Friday, November 1 and at 6 p.m. on Thursday, November 14.
The reading rooms at Heldenplatz will be closed on Saturday, November 2.