The exhibition, which is part of the Week of Iranian Culture event, features some 50 original works by famous Iranian illustrators which have received awards at international exhibitions.
The picture books on show are from the collection of the Iranian publisher Shabaviz.
The exhibition was opened by Hossein Hosheni of the Iranian Embassy's Cultural Centre in Zagreb.
Iranian Ambassador Jafar Shamsian was among the numerous guests who attended the opening ceremony.