| 2023 Prato | | |
| 2022 Larissa | | “FROM CHAOS TO COSMOS – Innovative Communities, Places, and Cities” |
| 2021 Larissa Online Conference | | “Frome here to where? Succeed in the post Covid transformation“ |
| 2020 Larissa | | “Moved to 2021” |
| 2019 Venice | | “Channeling Change – Digital Cities in a changing world – explore more, discover more, create more” |
| 2018 Leipzig | | “Taking the digital city to the next level” |
| 2017 Zagreb | | “The Digital Future – Cities Facing the Reality” |
| 2016 Tel Aviv | | “Study tour in Tel Aviv and Jerusalem” 15 partecipants |
| 2016 Florence | | “City Renaissance in the Digital Age” 400 participants in the Convento della Calza |
| 2015 Hamburg | | “Living, learning, leading in the connected city” 204 participants in the Former customs offices |
| 2014 Zurich | | “Cities managing complexity In the digital world” 251 participants in the Renaissance Zurich Tower Hotel |
| 2013 Ljubljana | | “ICT – fostering cities’ prosperity” 178 participants in the Ljubljana Exhibition and Convention Centre |
| 2012 Vienna | | “ICT-Driving the City of tomorrow”290 participants in the Vienna Town Hall |
| 2011 Prato | | “Do more with less and Smart Cities”240 participants in the Teatro Politeama |
| 2010 Berlin | | “Document Management, Marketing, Public Servies”134 participants in the “Rotes Rathaus” |
| 2009 Cork | | “Innovation at Work, Shared Services, Future of the CIO”86 participants in the Clarion Hotel |
| 2008 Rijeka | | “Transformation of local Administration”87 participants in the Hotel Bonavia |
| 2007 Siena | | “Multichanneling, IT-Innovation”95 participants in the Hotel Garden |
| 2006 Norwich | | “Interoperability, ICT-Government”91 participants in the Norwich Playhouse |
| 2005 Marseille | | “IT-Finance, Best Practise E-Government, Open Source”88 participants in the Palais de Pharo |
| 2004 Gothenburg | | “M-Services, E-Signature, E-Democracy”112 participants in the Radisson Sas Park Avenue Hotel |
| 2003 Zagreb | | “EU Experience Using Digital Signature and E-Security”104 participants in the Hotel Opera |
| 2002 Bremen/Bremerhaven | | “Electronic City – Digital Signature”97 participants in the Bremische Bürgerschaft |
| 2001 Trieste | | “Electronic Document Management and E-Government for Cities”101 participants in the Statione Marittima |
| 2000 Nice | | “IT for City Halls of the 21th Century”110 participants in the Hotel Plaza |
| 1999 Oslo | | “Online Government – Electronic Producement and Enterprise Resource Planning Systems”92 participants in the Oslo City Hall |
| 1998 Dublin | | “Integration of Services – Citizen Participation – Smart Card Technology”140 participants in Dublin Castle |
| 1997 Leipzig | | “Telecommunication, Outsourcing, City Services”90 participants in the New Town Hall |
| 1996 Venice | | “Cost and Benefits of Telematics”124 participants in the TLC Study Centre |
| 1995 The Hague | | “IT-Strategy and -Planning, Network Management”90 participants in the Old City Room |
| 1994 Saarbrücken | | “The Changing Role of the EDP-Organisation, Experiences, New Technique”114 participants in the City Hall |
| 1993 Zurich | | “Trends in Europe, Technique of Tomorrow, Experience and Debate”76 participants in the Hotel Zürich |
| 1992 Rome | | “Trends in Europe, New Services and Applications, Decentralisation”75 participants in the Protomoteca, Capitola Hill |
| 1991 Aarhus | | “Organization and Economics, Security, Citizens Information System”100 participants in the Concert Hall |
| 1990 Lisbon | | “Changing of EDP-Centers, Future Services”90 participants in the Hotel Altis |
| 1989 Strasbourg | | “Trends in Municipal Computing”90 participants in the Palais de Musique et des Congres |
| 1988 Amsterdam | | “Information Strategy in Local Government”90 participants in the Marriott Hotel |
| 1987 Birmingham | | “Central and Distributed Processing”70 participants in the Conference Center |
| 1986 Stockholm | | “Artificial Intelligence and Expert Systems”55 participants in the Salens Conference Center |
| 1985 Barcelona | | “Efficiency in Local Authority Office Management”50 participants in Palacio de Congresos |
| 1984 Rome | | “The Increasing Role of Computers in the Service of the Community”60 participants in the Piazza del Campidoglio |
| 1983 Paris | | “Data Processing and Society – Data Processing Management”46 participants in la Maison de L‘Europe |
| 1982 London | | “To form an organizing committee to set up the rules for the group”45 participants in the County Hall, Greater London Council |
