Location of the past COLA conferences
| 1991 | Oak Ridge (USA) |
| 1993 | Knoxville (USA) |
| 1995 | Strasburg (France) |
| 1997 | Monterey (USA) |
| 1999 | Göttingen (Germany) |
| 2001 | Tsukuba (Japan) |
| 2003 | Crete (Greece) |
| 2005 | Banff (Canada) |
| 2007 | Tenerife (Spain) |
| 2009 | Singapore (Singapore) |
| 2011 | Playa del Carmen (Mexico) |
| 2013 | Ischia (Italy) |
| 2015 | Cairns (Australia) |
| 2017 | Marseille (France) |
| 2019 | Hawaii (USA) |
| 2021 |
Matsue (Japan)
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