Auðunarstofa, also known as Timburstofan, is a historic building in Holar, Iceland. It was built between 1316 and 1317 by Auðunn rauði Þorbergsson, a bishop of Holar. The building stood for almost 500 years before it was demolished in 1810. In 2002, a new Auðunarstofa was built, which is an exact replica of the original building, except that the wooden part is slightly larger to increase the usability of the building. Today the offices of the Suffragan Bishop of Holar are located in Auðunarstofa.