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All International Conference

International Conferences in Bulgaria, December 2026

166 upcoming conferences in Bulgaria, December 2026 are listed. The busiest cities in Bulgaria are Plovdiv, Varna and Sofia.

Next conference
2 Dec
Next CFP deadline
14 Nov
Upcoming
166 conferences
Open calls for papers
89
Open calls for papers only

Showing 25 of 166 upcoming conferences, soonest first. Clear filters

December 2026

Bulgaria conference calendar by month

Questions about conferences in Bulgaria

What international conferences are happening in Bulgaria?

166 conferences are listed through December 2026. The next one starts on 2 December 2026 in Burgas. Use the filters above to narrow by topic, city or month.

Which cities in Bulgaria host the most conferences?

The cities with the most listings are Plovdiv, Varna and Sofia.

How can researchers find conferences with an open call for papers in Bulgaria?

Use "Open calls for papers only" in the filters. Each listing shows its submission deadline, and the organizer's website has the full call.

Are the listed conferences free to attend?

Finding conferences here is free. Registration fees and eligibility are set by each organizer, so check the official website before you register.