Conferences in Athens 2026
There are 4 conferences in Athens with a 2026 edition and a public sponsor or exhibitor list or published sponsorship prices. The biggest is XENIA 2026, with 50 companies listed.
Industry
Athens
Countries
Cities
2026
Timing
Size
Companies listed
Prices
Sponsorship packages
Type
Trade shows: 100 or more exhibitors, or an expo floor on the organizer’s own description.
4 events
| # | Conference | Companies | New | Returning | Packages from |
|---|---|---|---|---|---|
1. XENIA Nov 21–23, 2026 · Athens, Greece | 50companies | ||||
2. Open Conf Nov 20–21, 2026 · Athens, Greece | 47companies | ||||
3. Posidonia Jun 5–9, 2026 · Athens, Greece | 17companies | ||||
4. PyCon Greece Oct 12–13, 2026 · Athens, Greece | 16companies |
Companies: sponsors and exhibitors on each event’s current edition, read from its own directory, sponsor page or prospectus. New: not listed at the previous edition. Returning: share of the previous edition’s companies listed again.
Key facts
Across the 4 conferences in Athens 2026.
Questions
What are the biggest conferences in Athens with a 2026 edition?
By companies listed at their current edition: XENIA (50), Open Conf (47), Posidonia (17), PyCon Greece (16).
Which conferences in Athens with a 2026 edition are coming up next?
PyCon Greece (Oct 12–13, 2026, Athens); Open Conf (Nov 20–21, 2026, Athens); XENIA (Nov 21–23, 2026, Athens).