Sydney will host the International Astronautical Congress (IAC) from 29 September to 3 October 2025, bringing together the global space community for a week of innovation, collaboration, and discovery. Held at the International Convention Centre (ICC) Sydney, this world-class event will welcome thousands of delegates from over 80 countries.

The theme for IAC 2025 is “Sustainable Space: Resilient Earth,” focusing on the future of space exploration and its role in supporting life on our planet. Attendees can expect a packed program of technical sessions, keynote speeches, exhibitions, networking events, and student-focused activities.

Located just moments from the ICC, Novotel Sydney on Darling Harbour offers the perfect base for congress participants. With modern rooms, harbour views, and easy access to the venue, dining, and entertainment, it’s an ideal choice for a productive and comfortable stay.

Book your accommodation early to secure the best availability during this major international event.