The Most Influential Architecture Event in South-East Europe.

Formerly BIG Architecture. Today the BIG SEE Festival.

3,000+ visitors

From 21 countries and beyond — including top architects, interior designers, designers, and key decision-makers.

100+ exhibitors

Innovative brands in architectural materials, systems, and interior design, including select product design brands.

800+ live moments

Conference, expert debates, award sessions, perspective talks — and real-time encounters.

Coming Up: May 20 & 21, 2027, Portorož, Slovenia

BIG Architecture 2025 [click to navigate]

Beyond a Trade Fair.
Beyond a Conference.

Trade Show · Conference · Awards · Debates · Exhibitions · Celebration

Event offers a curated experience where your brand becomes part of a wider architectural dialogue.

Why participate?

At BIG SEE Festival, architects don’t just pass by.
They engage, connect, decide – and shape the projects of tomorrow.

You will gain qualified leads, build architectural credibility, network with professionals, showcase innovation, and exchange knowledge.

Exhibitors 2026 → 

Event Guide →

How to Take Part?

Exhibit

Trade Show: Innovations & Design for Architects – a curated exhibition at the heart of the event with unified pavilions, inviting lounge areas, and celebration moments woven into the flow. Exhibitors → [see full list]

Sponsor

Exclusive opportunities for partners committed to supporting architectural excellence.

Big Venue

Grando – a 19th-century salt warehouse with massive stone walls and Slovenia’s longest wooden beams – sits between the elegance of Portorož and the timeless soul of Piran.

Interested in Exhibiting or Sponsoring?

Complete the form below and we’ll contact you with detailed information and available opportunities.

BIG SEE Trade show - Interest registration 2027

Contact

BIG SEE; Živa Novak, ziva@bigsee.eu, +386 51 666 623