Twenty-Seventh Congress and General Assembly of the International Union of Crystallography

11–18 August 2026
Calgary, Canada

On behalf of the International Union of Crystallography (IUCr), it is with immense excitement and joy that we cordially extend our warmest invitation to you to join the IUCr for the Twenty-Seventh Congress and General Assembly, set to be held in the magnificent city of Calgary, located in the heart of Alberta, Canada, from 11 to 18 August 2026.

Calgary, a city renowned for its breathtaking natural beauty and warm hospitality, has been chosen as the host for this remarkable occasion. Nestled amidst stunning landscapes and boasting a rich cultural heritage, this vibrant metropolis promises to provide an unforgettable experience for all attendees.

• Congress web site