The expected participants will be:
- delegations from the cities participating in the WHO European Healthy Cities Network, which will include the mayor or lead politician, the city coordinator and selected focal points identified to work on the core themes;
- delegations from national healthy cities networks, which will include the political chair of the network, the coordinator, a representative of the ministries of health and the regions and one or two observers from member cities; invited dignitaries, keynote speakers, resource experts and advisers; representatives of the WHO Regions for Health Network;
- and representatives of the European Commission and international agencies.
About 350–400 people are expected to attend the Liège Conference.