| 2026 | 40 | 40th European Conference on Object-Oriented Programming, ECOOP 2026, Brussels, Belgium, June 29 - July 3, 2026 | Brussels | |
| 2025 | 39 | 39th European Conference on Object-Oriented Programming, ECOOP 2025, Bergen, Norway, June 30 - July 2, 2025 | Bergen | |
| 2024 | 38 | 38th European Conference on Object-Oriented Programming, ECOOP 2024, Vienna, Austria, September 16-20, 2024 | Vienna | |
| 2023 | 37 | European Conference on Object-Oriented Programming 2023 ECOOP 2023 | Seattle | 2023-07-17/21 |
| 2022 | 36 | European Conference on Object-Oriented Programming 2022 ECOOP 2022 | Berlin | 2022-07-06/07 |
| 2021 | 35 | European Conference on Object-Oriented Programming 2021 ECOOP 2021 | Aarhus | 2021-07-11/17 |
| 2020 | 34 | European Conference on Object-Oriented Programming 2020 ECOOP 2020 | Berlin | 2020-07-15/17 |
| 2019 | 33 | European Conference on Object-Oriented Programming 2019 ECOOP 2019, ECOOP | London | 2019-07-15/19 |
| 2018 | 32 | 32nd European Conference on Object Oriented Programming ECOOP 2018, ECOOP | Kingdom of the Netherlands | 2018-07-15/21 |
| 2018 | | Companion Proceedings for the ISSTA/ECOOP 2018 Workshops, ISSTA 2018, Amsterdam, Netherlands, July 16-21, 2018 | Kingdom of the Netherlands | |
| 2017 | 31 | 31st European Conference on Object-Oriented Programming ECOOP 2017, ECOOP | Barcelona | 2017-06-18/23 |
| 2016 | 30 | 30th European Conference on Object-Oriented Programming, ECOOP 2016, Rome, Italy, July 18-22, 2016 ECOOP | Rome | 2016-07-17/22 |
| 2015 | 29 | 29th European Conference on Object-Oriented Programming, ECOOP 2015, Prague, Czech Republic, July 5-10, 2015 ECOOP | Prague | 2015-07-04/10 |
| 2014 | 28 | European Conference on Object-Oriented Programming ECOOP | Uppsala | 2014-07-28 to 2014-08-01 |
| 2013 | 27 | European Conference on Object-Oriented Programming ECOOP | Montpellier | 2013-07-01/05 |
| 2012 | 26 | European Conference on Object-Oriented Programming ECOOP | Beijing | 2012-06-11/16 |
| 2011 | 25 | European Conference on Object-Oriented Programming ECOOP | Lancaster | 2011-07-25/29 |
| 2010 | 24 | European Conference on Object-Oriented Programming ECOOP | Maribor | 2010-06-21/25 |
| 2009 | 23 | European Conference on Object-Oriented Programming ECOOP | Genoa | 2009-07-06/10 |
| 2008 | 22 | 22nd European Conference on Object-Oriented Programming ECOOP 2008, ECOOP | Coral Bay | 2008-07-07/11 |
| 2008 | | Object-Oriented Technology. ECOOP 2008 Workshop Reader, ECOOP 2008 Workshops, Paphos, Cyprus, July 7-11, 2008, Final Reports | Paphos | |
| 2008 | | RAM-SE'08-ECOOP'08 Workshop on Reflection, AOP, and Meta-Data for Software Evolution, Proceedings, Paphos, Cyprus, July 7, 2008. | Paphos | |
| 2007 | 21 | European Conference on Object-Oriented Programming ECOOP 2007, ECOOP | Berlin | 2007-07-30 to 2007-08-03 |
| 2007 | | Object-Oriented Technology. ECOOP 2007 Workshop Reader, Berlin, Germany, July 30-31, 2007, Final Reports | Berlin | |
| 2007 | | RAM-SE'07-ECOOP'07 Workshop on Reflection, AOP, and Meta-Data for Software Evolution, Proceedings, Berlin, Germany, July 31, 2007 | Berlin | |
| 2006 | 20 | European Conference on Object-Oriented Programming ECOOP 2006, ECOOP | Nantes | 2006-07-03/07 |
| 2006 | | Advanced Topics in Exception Handling Techniques (the book grow out of ECOOP workshops) | | |
| 2006 | | Object-Oriented Technology, ECOOP 2006 Workshop Reader, ECOOP 2006 Workshops, Nantes, France, July 3-7, 2006, Final Reports | Nantes | |
| 2006 | | RAM-SE'06-ECOOP'06 Workshop on Reflection, AOP, and Meta-Data for Software Evolution, Proceedings, Nantes, France, July 4, 2006 | Nantes | |
| 2005 | 19 | European Conference on Object-Oriented Programming ECOOP 2005, ECOOP | Glasgow | 2005-07-25/29 |
| 2005 | | RAM-SE'05-ECOOP'05 Workshop on Reflection, AOP, and Meta-Data for Software Evolution, Proceedings, Glasgow, UK, July 15, 2005 | Glasgow | |
| 2004 | 18 | European Conference on Object-Oriented Programming ECOOP 2004, ECOOP | Oslo | 2004-06-14/18 |
| 2004 | | Object-Oriented Technology: ECOOP 2004 Workshop Reader, ECOOP 2004 Workshops, Oslo, Norway, June 14-18, 2004, Final Reports | Oslo | |
| 2004 | | RAM-SE'04-ECOOP'04 Workshop on Reflection, AOP, and Meta-Data for Software Evolution, Proceedings, Oslo, Norway, June 15, 2004 | Oslo | |
| 2003 | 17 | European Conference on Object-Oriented Programming ECOOP 2003, ECOOP | Darmstadt | 2003-07-21/25 |
| 2003 | | Object-Oriented Technology: ECOOP 2003 Workshop Reader, ECOOP 2003 Workshops, Darmstadt, Germany, July 21-25, 2003, Final Reports | Darmstadt | |
| 2002 | 16 | European Conference on Object-Oriented Programming ECOOP | Málaga | 2002-06-10/14 |
| 2002 | | Object-Oriented Technology, ECOOP 2002 Workshops and Posters, Málaga, Spain, June 10-14, 2002, Proceedings | Málaga | |
| 2001 | 15 | European Conference on Object-Oriented Programming ECOOP | Budapest | 2001-06-18/22 |
| 2001 | | Object-Oriented Technology ECOOP 2001 Workshop Reader, ECOOP 2001 Workshops, Panel, and Posters, Budapest, Hungary, June 18-22, 2001, Proceedings | Budapest | |
| 2001 | | Proceedings of the ECOOP 2001 Workshop on Feature Interaction in Composed Systems (FICS 2001), Budapest, Hungary, June 18-22, 2001 | Budapest | |
| 2000 | | International Symposium on Objects and Databases OODBS, SODB | Sophia Antipolis | 2000-06-13 |
| 2000 | 14 | European Conference on Object-Oriented Programming ECOOP 2000, ECOOP | Sophia Antipolis | 2000-06-12/16 |
| 2000 | | Advances in Exception Handling Techniques (the book grow out of a ECOOP 2000 workshop) | | |
| 2000 | | Object-Oriented Technology, ECOOP 2000 Workshops, Panels, and Posters, Sophia Antipolis and Cannes, France, June 12-16, 2000, Proceedings | France | |
| 1999 | 13 | European Conference on Object-Oriented Programming ECOOP 1999, ECOOP | Lisbon | 1999-06-14/18 |
| 1999 | | Object-Oriented Technology, ECOOP'99 Workshop Reader, ECOOP'99 Workshops, Panels, and Posters, Lisbon, Portugal, June 14-18, 1999, Proceedings | Lisbon | |
| 1999 | | Proceedings of the ECOOP'99 Workshop for PhD Students in OO Systems (PhDOOS '99), Lisbon, Portugal, June 1999 | Lisbon | |
| 1998 | 12 | European Conference on Object-Oriented Programming ECOOP 1998, ECOOP | Brussels | 1998-07-20/24 |
| 1998 | | Object-Oriented Technology, ECOOP'98 Workshop Reader, ECOOP'98 Workshops, Demos, and Posters, Brussels, Belgium, July 20-24, 1998, Proceedings | Brussels | |
| 1997 | 11 | European Conference on Object-Oriented Programming ECOOP 1997, ECOOP | Jyväskylä | 1997-06-09/13 |
| 1997 | | Object-Oriented Technology, ECOOP'97 Workshop Reader, ECOOP'97 Workshops, Jyväskylä, Finland, June 9-13, 1997 | Jyväskylä | |
| 1996 | 10 | European Conference on Object-Oriented Programming ECOOP 1996, ECOOP | Linz | 1996-07-08/12 |
| 1995 | 9 | European Conference on Object-Oriented Programming ECOOP 1995, ECOOP | Aarhus | 1995-08-07/11 |
| 1994 | 8 | European Conference on Object-Oriented Programming ECOOP | Bologna | 1994-07-04/08 |
| 1994 | | Object-Based Models and Languages for Concurrent Systems, ECOOP'94 Workshop on Models and Languages for Coordination of Parallelism and Distribution, Bologna, Italy, July 5, 1994, Selected Papers | Bologna | |
| 1993 | 7 | European Conference on Object-Oriented Programming ECOOP | Kaiserslautern | 1993-07-26/30 |
| 1993 | | Object-Based Distributed Programming, ECOOP '93 Workshop, Kaiserslautern, Germany, July 26-27, 1993 | Kaiserslautern | |
| 1992 | 6 | European Conference on Object-Oriented Programming ECOOP | Kingdom of the Netherlands | 1992-06-29 to 1992-07-03 |
| 1991 | 5 | European Conference on Object-Oriented Programming ECOOP | Geneva | 1991-07-15/19 |
| 1991 | | ECOOP'91 European Conference on Object-Oriented Programming, Geneva, Switzerland, July 15-19, 1991, Proceedings | Geneva | |
| 1991 | | Object-Based Concurrent Computing, ECOOP'91 Workshop, Geneva, Switzerland, July 15-16, 1991, Proceedings | Geneva | |
| 1990 | | Conference on Object-Oriented Programming Systems, Languages, and Applications / European Conference on Object-Oriented Programming, OOPSLA/ECOOP 1990, Ottawa, Canada, October 21-25, 1990, Proceedings. | Ottawa | |
| 1990 | | Proceedings of the European Conference on Object-Oriented Programming Addendum: Systems, Languages, and Applications, OOPSLA/ECOOP 1990 Addendum, Ottawa, Canada, 1990 | Ottawa | |
| 1990 | | Proceedings of the Workshop on Object-based Concurrent Programming, OOPSLA/ECOOP Workshop on Object-based Concurrent Programming 1990, Ottawa, Canada, October 21-25, 1990 | Ottawa | |
| 1989 | | ECOOP '89: Proceedings of the Third European Conference on Object-Oriented Programming, Nottingham, UK, July 10-14, 1989. | Nottingham | |
| 1988 | 2 | European Conference on Object-Oriented Programming ECOOP | Oslo | 1988-08-15/17 |
| 1988 | | ECOOP'88 European Conference on Object-Oriented Programming, Oslo, Norway, August 15-17, 1988, Proceedings | Oslo | |
| 1988 | | Proceedings of the 1988 ACM SIGPLAN Workshop on Object-based Concurrent Programming, OOPSLA/ECOOP Workshop on Object-based Concurrent Programming 1988, San Diego, CA, USA, September 26-27, 1988 | San Diego | |
| 1987 | 1 | European Conference on Object-Oriented Programming ECOOP | Paris | 1987-06-15/17 |