| 2019 | Budapest, Hungary |
| 2018 | Valencia, Spain |
| 2017 | Salzburg, Austria |
| 2016 | Rome, Italy |
| 2015 | Rotterdam, The Netherlands (jointly with IBMS) |
| 2014 | Prague, Czech Republic |
| 2013 | Lisbon, Portugal |
| 2012 | Stockholm, Sweden |
| 2011 | Athens, Greece jointly with IBMS |
| 2010 | Glasgow, Scotland |
| 2009 | Vienna, Austria |
| 2008 | Barcelona, Spain |
| 2007 | Copenhagen, Denmark |
| 2006 | Prague, Czech Republic |
| 2005 | Geneva, Switzerland (jointly with IBMS) |
| 2004 | Nice, France |
| 2003 | Rome, Italy |
| 2003 | Davos, Switzerland |
| 2002 | Zagreb, Croatia |
| 2001 | Madrid, Spain (jointly with IBMS) |
| 2000 | Tampere, Finland [pdf] |
| 1999 | Maastricht, The Netherlands [pdf] |
| 1997 | Harrogate, UK [pdf] |
| 1995 | Aarhus, Denmark |
| 1993 | Heidelberg, Germany |
| 1991 | Vienna, Austria |
| 1989 | Jerusalem, Israel |
| 1987 | Sirmione, Italy |
| 1986 | Stockholm, Sweden |
| 1984 | Angers, France |
| 1983 | Davos, Switzerland |
| 1981 | Knokke, Belgium |
| 1980 | Helsinki, Finland |
| 1979 | Rhodos, Greece |
| 1977 | Noordwijkerhout, The Netherlands |
| 1976 | York, UK |
| 1975 | Elsinore, Denmark |
| 1973 | Hamburg, Germany |
| 1972 | Baden near Vienna, Austria |
| 1971 | Jerusalem, Israel |
| 1970 | Montecatini, Italy |
| 1968 | Lund, Sweden |
| 1967 | Bordeaux, France |
| 1966 | Noordwijk, The Netherlands |
| 1965 | Davos, Switzerland |
| 1964 | Liège, Belgium |
| 1963 | Oxford, UK |