- COMMA 2006 - Liverpool, UK
- COMMA 2008 - Toulouse, France
- COMMA 2010 - Desenzano del Garda, Italy
- COMMA 2012 - Vienna, Austria
- COMMA 2014 - Pitlochry, UK
- COMMA 2016 - Potsdam, Germany
- COMMA 2018 - Warsaw, Poland
- COMMA 2020 - Perugia, Italy (online)
- COMMA 2022 - Cardiff, United Kingdom