| AdHoc-Now 2020 | 19th International Conference on Ad Hoc Networks and Wireless | Bari | Italy | May 5 | Oct 19 | Oct 21 |
| ODBASE 2020 | 19th International Conference on Ontologies, DataBases, and Applications of Semantics | Rhodes | Greece | Jul 25 | Oct 27 | Oct 28 |
| PERFORMANCE 2020 | IFIP International Symposium on Computing Performance, Modelling, Measurement and Evaluation | Milano | Italy | | Nov 2 | Nov 6 |
| FSE 2020 | 27th International Conference Fast Software Encryption | Athens | Greece | | Nov 8 | Nov 12 |
| ICDM 2020 | 20th IEEE International Conference on Data Mining | Sorrento | Italy | Jun 2 | Nov 17 | Nov 20 |
| PROFES 2020 | 21st International Conference on Product Focused Software Process Improvement | Turin | Italy | Jul 20 | Nov 25 | Nov 27 |
| KR 2020 | International Conference on the Principles of Knowledge Representation and Reasoning | Rhodes | Greece | | Dec 9 | Sep 18 |
| ICPR 2020 | 25th International Conference on Pattern Recognition | Milan | Italy | Apr 15 | Jan 10 | Jan 15 |
| ICEEG 2021 | 2021 The 5th International Conference on E-commerce, E-Business and E-Government | Rome | Italy | Mar 30 | Apr 28 | Apr 30 |
| ICEFR 2021 | 2021 The 10th International Conference on Economics and Finance Research | Rome | Italy | Mar 30 | Apr 28 | Apr 30 |
| ESWC 2021 | 18th Extended Semantic Web Conference | Hersonissos | Greece | | Jun 6 | Jun 10 |
| DCOSS 2021 | 17th International Conference on Distributed Computing in Sensor Systems | Pafos | Cyprus | Feb 12 | Jun 7 | Jun 9 |
| WoWMoM 2021 | IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks | Pisa | Italy | | Jun 11 | Jun 7 |
| DAIS 2021 | 21st International Conference on Distributed Applications and Interoperable Systems | Valletta | Malta | Feb 5 | Jun 14 | Jun 18 |
| ISOPE 2021 | 31st International Ocean and Polar Engineering Conference | Rhodes | Greece | Mar 24 | Jun 20 | Jun 25 |
| DEBS 2021 | 15th ACM International Conference on Distributed Event-Based Systems | Milan | Italy | | Jun 28 | Jul 2 |
| IWAGPR 2021 | 11th International Workshop on Advanced Ground Penetrating Radar | Valletta | Malta | Jan 30 | Jul 4 | Jul 7 |
| ICPAM 2021 | 10th International Conference on Pure and Applied Mathematics | Athens | Greece | Jun 5 | Jul 16 | Jul 19 |
| ICMAE 2021 | 12th International Conference on Mechanical and Aerospace Engineering | Athens | Greece | Jun 5 | Jul 16 | Jul 19 |
| EESP 2021 | 2nd International Conference on Electronic Engineering and Signal Processing | Istanbul | Turkey | May 20 | Aug 7 | Aug 9 |
