The award was presented to Brigada representatives at a ceremony held in Paris this past weekend.
IIDA gives annual awards for originality and excellence in interior design and interior architecture projects.
Along with Brigada, also awarded were projects for investors from China, Taiwan, Japan, Australia and the United States.
"Croatia is Hrvatska" was an interactive, multimedia exhibition staged in the autumn of 2017 in Zagreb's Gric tunnel.
Along with Brigada, participating in the conception and implementation of the exhibition were corporate communication teams of the Adris Group and Croatia Osiguranje, the Bruketa&Zinic&Grey agency and Millennium Promocija.