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The 25th International Congress on Modelling and Simulation (MODSIM2023) will be held at the Darwin Convention Centre, Darwin, Northern Territory, from Sunday 9 to Thursday 13 July 2023 with a workshop day on Friday 14 July.

ASOR will be joining us again for the National Conference of the Australian Society for Operations Research. The International Environmental Modelling and Software Society (iEMSs) is supporting two streams and The Open Modeling Foundation is also supporting a stream.

MSSANZ has held biennial congresses since 1974 that typically attract 600–900 participants.

To facilitate more effective collaboration, MODSIM2023 will be an in-person event. Plenaries and Keynotes will be live streamed and available to watch free of charge.


Submissions are open for extended abstracts only (1 page maximum) until 5 May. Full papers are no longer being accepted. Please read the instructions for authors and find out how to upload your submission using Ex Ordo.

Registration is open

Accommodation can be difficult to find in Darwin during July, please book early to avoid disappointment. Delegates are responsible for booking their own accommodation. *Hint: many accommodation places offer free cancellation up to within a week beforehand, you can book now to lock it in!

QANTAS has come on board as our exclusive airline partner.

Updates about the congress will be added to this website as they become available.

Follow us on twitter @modsim2023 and on LinkedIn @MODSIM2023Contact:

Congress convenors

Dr Chris Chilcott, CSIRO
Dr Jai Vaze, CSIRO
Prof. Lindsay Hutley, Charles Darwin University

MSSANZ acknowledges the traditional custodians, the Larrakia people, of the land on which the Darwin Convention Centre stands. We pay our respects to the Elders past and present, for they hold the memories, the traditions, the culture and hopes of Aboriginal and Torres Strait Islander peoples today.

CSIROInstitute for Water FutureseWaterSelect CarbonTERN