International Union of Architects
Member Area
Rio 2021

Rio 2021

All the worlds. Just one world. Architecture 21

18 Jul 2021 - 22 Jul 2021

27th World Congress of Architects: 18 - 22 July 2021, Pier Mauá, Rio de Janeiro

UIA General Assembly (UIA Members only): 22 - 25 July 2021, Sheraton Grand Rio Hotel

UIA Council meeting (UIA Council only): 25 July 2021, Sheraton Grand Rio Hotel


From July 18 - 22 2021, Rio de Janeiro will host the 27th edition of the UIA World Congress of Architects. The Congress and exhibitions will be hosted at Pier Mauá. Pier Mauá is one of Rio de Janeiro's largest event venues, covering 40,000 square metres at the heart of the Porto Maravilha.

The triennial congress is organised under the auspices of the International Union of Architects (UIA), attracting approximately 15,000 participants from around the world. The Institute of Architects of Brazil (IAB) is responsible for organising the Brazilian editon of the congress in 2021. 

UIA2021RIO is the biggest global event for architecture and urbanism, and its purpose is to stimulate the exchange of ideas and experiences between architects, urbanists, students, urban thinkers, public employees and other interested groups, encouraging new debates and solutions.

Alongside the Congress, Rio de Janeiro has also been designated UNESCO-UIA 2020 World Capital of Architecture. A new joint UNESCO-UIA initiative, the World Capital of Architecture is a title held by a city for 1 year, during which they organise a programme of events to celebrate architecture and built heritage, as well as to raise awareness about the key issues of architecture today.

Institutions and cultural sites, such as museums, galleries, squares and venues, will host discussions and exhibitions throughout 2020 in honour of this title. Agreements have been made with more than 40 institutions for exhibitions, forums, business expos, talks, workshops, seminars, competitions, projects and networking and social events.

Given the decision to postpone the UIA World Congress of Architects to 18-22 July 2021 as a result of the COVID-19 pandemic, the Rio de Janeiro World Capital of Architecture programme will be exceptionally extended to July 2021. 

Every Brazilian organisation involved in architecture, urbanism and landscaping is supporting the event, as well as the Pan-American Federation of Associations of Architects (FPAA) and the International Council of Architects of Portuguese Language (CIALP).

The call for academic papers and professional projects is now available on the congress website. 


Register for RIO2021UIA

General Secretariat

The UIA General Secretariat, placed under the responsibility of the Secretary General, is the Union's executive body and the administrative centre for the coordination of relations between the UIA Member Sections and their activities.

The General Secretariat assists architects and architecture students in getting into contact with professional colleagues throughout the world, from professional organisations and architectural schools to museums and media.

The General Secretariat helps architects to keep up to date with UIA activities, its partners and Member Sections.

General Secretariat of the International Union of Architects

Tour Maine Montparnasse
33, avenue du Maine - B.P. 158
75755 PARIS Cedex 15 – France

Tel: +33 (0)1 45 24 36 88