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.

All events 3

113 companies listed at these events

Industry

Developer2 Hospitality1

Athens

2026, Upcoming

Timing

Any time Upcoming3 Next 90 days3

Year

Any year 20263 20271

Size

Companies listed

50+ companies1

Prices

Sponsorship packages

Type

All events3

Trade shows: 100 or more exhibitors, or an expo floor on the organizer’s own description.

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Most companies listed

Most companies listed Soonest first Most new companies Most companies returning Cheapest package Biggest top package

#	Conference	Industry	Companies
1	1. XENIA Nov 21–23, 2026 · Athens, Greece	Hospitality	50companies
2	2. Open Conf Nov 20–21, 2026 · Athens, Greece	Developer	47companies
3	3. PyCon Greece Oct 12–13, 2026 · Athens, Greece	Developer	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.

Events43 upcoming

Companies listed130across their current editions

Trade shows1100+ exhibitors or an expo floor

Biggest50XENIA

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).