| Conference | Deadline | Date | Country |
| 1.55th ATHENS Global Congress on Advances in Engineering, Science & Technology (GCAEST-26) scheduled on June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 2.27th ATHENS World Congress on Computational Intelligence, Energy & Industrial Engineering (CIEIE-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 3.22nd ATHENS International Conference on Materials Science & Engineering (ICMSE-26) | 2026-05-15 | 2026-06-03 | Greece |
| 4.37th ATHENS International Conference on Chemical, Biological & Environmental Engineering (ICCBEE-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 5.37th ATHENS International Congress on Transportation & Architectural Engineering (ICTAE-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 6.28th ATHENS International Conference on Biology, Microbiology & Medical Sciences (ABMMS-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 7.55th ATHENS International Conference on Arts, Literature and Philosophy (AICALP-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 8.34th ATHENS International Conference on Education (AICE-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 9.52nd ATHENS International Conference on Electrical & Electronics Engineering (AICE3-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 10.53rd ATHENS International Congress on Food, Biological and Environmental Studies Research (FBESR-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
| 11.53rd ATHENS International Congress on Humanities, Social Sciences & Management Studies (HSSMS-26) June 3-5, 2026 Athens (Greece) | 2026-05-15 | 2026-06-03 | Greece |
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