Days of Oris is an international architectural festival organised by Oris House of Architecture.

Every year, it gathers more than 2,000 participants including architects and professionals from related fields to attend its programme of talks, lectures and panel discussions.

Speakers for this year's edition include Japanese architect Tadao Ando, Pritzker Prize executive director Martha Thorne and Brazilian architect Marko Brajović.

Days of Oris 21 Festival takes place from 20 to 21 November 2021 online and at the Vatroslav Lisinski Concert Hall in Zagreb, Croatia.