The 9th International Interior Design Biennial in Kraków takes place in October is organised by the Faculty of Interior Design at the Jan Matejko Academy of Fine Arts.

• Theme: „Cha(lle)nges”—focusing on global, local, spatial, and aesthetic changes and challenges in design.
• Competitions: Includes professional categories for residential and public interior realizations completed between 2024 and 2026, alongside student and spatial installation contests.
• Main exhibitions and events are scheduled for October 7–15 2026 at the Academy of Fine Arts, Pl. Matejki 13 (exhibitions, open daily 10am–6pm), 13 and 14 October 2026 at the Academy of Fine Arts, Pl. Matejki 13 (international conference) and for 13 October at the Faculty of Interior Design, ul. Syrokomli 21 (mapping, 7pm).